Home / 8,500.19-12,755.21-3,569.40

Finding the Fourth Proportional to 8,500.19, 12,755.21 and 3,569.40

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Solution

The fourth proportional to 8,500.19, 12,755.21 and 3,569.40 is: 5,356.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,500.19 : 12,755.21 = 3,569.40 : x
  2. Step 2: Convert to fraction form
    8,500.19/12,755.21 = 3,569.40/x
  3. Step 3: Cross multiply
    8,500.19x = 12,755.21 × 3,569.40
  4. Step 4: Simplify right side
    8,500.19x = 45,528,428.73
  5. Step 5: Solve for x
    x = 45,528,428.73/8,500.19
  6. Step 6: Final answer
    x = 5,356.17

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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.