Home / 7,788.04-11,682.06-1,944.64

Finding the Fourth Proportional to 7,788.04, 11,682.06 and 1,944.64

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Solution

The fourth proportional to 7,788.04, 11,682.06 and 1,944.64 is: 2,916.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,788.04 : 11,682.06 = 1,944.64 : x
  2. Step 2: Convert to fraction form
    7,788.04/11,682.06 = 1,944.64/x
  3. Step 3: Cross multiply
    7,788.04x = 11,682.06 × 1,944.64
  4. Step 4: Simplify right side
    7,788.04x = 22,717,401.16
  5. Step 5: Solve for x
    x = 22,717,401.16/7,788.04
  6. Step 6: Final answer
    x = 2,916.96

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.