Home / 8,519.19-11,753.78-4,792.47

Finding the Fourth Proportional to 8,519.19, 11,753.78 and 4,792.47

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Solution

The fourth proportional to 8,519.19, 11,753.78 and 4,792.47 is: 6,612.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,519.19 : 11,753.78 = 4,792.47 : x
  2. Step 2: Convert to fraction form
    8,519.19/11,753.78 = 4,792.47/x
  3. Step 3: Cross multiply
    8,519.19x = 11,753.78 × 4,792.47
  4. Step 4: Simplify right side
    8,519.19x = 56,329,614.07
  5. Step 5: Solve for x
    x = 56,329,614.07/8,519.19
  6. Step 6: Final answer
    x = 6,612.09

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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.