Home / 8,666.29-11,959.40-4,687.32

Finding the Fourth Proportional to 8,666.29, 11,959.40 and 4,687.32

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Solution

The fourth proportional to 8,666.29, 11,959.40 and 4,687.32 is: 6,468.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,666.29 : 11,959.40 = 4,687.32 : x
  2. Step 2: Convert to fraction form
    8,666.29/11,959.40 = 4,687.32/x
  3. Step 3: Cross multiply
    8,666.29x = 11,959.40 × 4,687.32
  4. Step 4: Simplify right side
    8,666.29x = 56,057,497.74
  5. Step 5: Solve for x
    x = 56,057,497.74/8,666.29
  6. Step 6: Final answer
    x = 6,468.45

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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.