Home / 8,724.90-12,037.41-5,743.74

Finding the Fourth Proportional to 8,724.90, 12,037.41 and 5,743.74

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Solution

The fourth proportional to 8,724.90, 12,037.41 and 5,743.74 is: 7,924.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,724.90 : 12,037.41 = 5,743.74 : x
  2. Step 2: Convert to fraction form
    8,724.90/12,037.41 = 5,743.74/x
  3. Step 3: Cross multiply
    8,724.90x = 12,037.41 × 5,743.74
  4. Step 4: Simplify right side
    8,724.90x = 69,139,753.31
  5. Step 5: Solve for x
    x = 69,139,753.31/8,724.90
  6. Step 6: Final answer
    x = 7,924.42

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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.