Home / 7,666.29-11,493.60-3,966.15

Finding the Fourth Proportional to 7,666.29, 11,493.60 and 3,966.15

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Solution

The fourth proportional to 7,666.29, 11,493.60 and 3,966.15 is: 5,946.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,666.29 : 11,493.60 = 3,966.15 : x
  2. Step 2: Convert to fraction form
    7,666.29/11,493.60 = 3,966.15/x
  3. Step 3: Cross multiply
    7,666.29x = 11,493.60 × 3,966.15
  4. Step 4: Simplify right side
    7,666.29x = 45,585,341.64
  5. Step 5: Solve for x
    x = 45,585,341.64/7,666.29
  6. Step 6: Final answer
    x = 5,946.21

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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.