Home / 8,644.19-11,929.55-6,515.97

Finding the Fourth Proportional to 8,644.19, 11,929.55 and 6,515.97

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Solution

The fourth proportional to 8,644.19, 11,929.55 and 6,515.97 is: 8,992.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,644.19 : 11,929.55 = 6,515.97 : x
  2. Step 2: Convert to fraction form
    8,644.19/11,929.55 = 6,515.97/x
  3. Step 3: Cross multiply
    8,644.19x = 11,929.55 × 6,515.97
  4. Step 4: Simplify right side
    8,644.19x = 77,732,601.13
  5. Step 5: Solve for x
    x = 77,732,601.13/8,644.19
  6. Step 6: Final answer
    x = 8,992.46

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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.