Home / 8,278.98-11,425.04-4,502.19

Finding the Fourth Proportional to 8,278.98, 11,425.04 and 4,502.19

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Solution

The fourth proportional to 8,278.98, 11,425.04 and 4,502.19 is: 6,213.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,278.98 : 11,425.04 = 4,502.19 : x
  2. Step 2: Convert to fraction form
    8,278.98/11,425.04 = 4,502.19/x
  3. Step 3: Cross multiply
    8,278.98x = 11,425.04 × 4,502.19
  4. Step 4: Simplify right side
    8,278.98x = 51,437,700.84
  5. Step 5: Solve for x
    x = 51,437,700.84/8,278.98
  6. Step 6: Final answer
    x = 6,213.05

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Half scale
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Double scale
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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.