Home / 8,401.87-12,585.52-4,930.75

Finding the Fourth Proportional to 8,401.87, 12,585.52 and 4,930.75

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Solution

The fourth proportional to 8,401.87, 12,585.52 and 4,930.75 is: 7,385.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,401.87 : 12,585.52 = 4,930.75 : x
  2. Step 2: Convert to fraction form
    8,401.87/12,585.52 = 4,930.75/x
  3. Step 3: Cross multiply
    8,401.87x = 12,585.52 × 4,930.75
  4. Step 4: Simplify right side
    8,401.87x = 62,056,052.74
  5. Step 5: Solve for x
    x = 62,056,052.74/8,401.87
  6. Step 6: Final answer
    x = 7,385.98

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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.