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Finding the Fourth Proportional to 7,979.00, 11,011.01 and 4,443.05

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Solution

The fourth proportional to 7,979.00, 11,011.01 and 4,443.05 is: 6,131.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979.00 : 11,011.01 = 4,443.05 : x
  2. Step 2: Convert to fraction form
    7,979.00/11,011.01 = 4,443.05/x
  3. Step 3: Cross multiply
    7,979.00x = 11,011.01 × 4,443.05
  4. Step 4: Simplify right side
    7,979.00x = 48,922,411.36
  5. Step 5: Solve for x
    x = 48,922,411.36/7,979.00
  6. Step 6: Final answer
    x = 6,131.40

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.