Home / 6,402.20-8,834.81-3,569.45

Finding the Fourth Proportional to 6,402.20, 8,834.81 and 3,569.45

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Solution

The fourth proportional to 6,402.20, 8,834.81 and 3,569.45 is: 4,925.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,402.20 : 8,834.81 = 3,569.45 : x
  2. Step 2: Convert to fraction form
    6,402.20/8,834.81 = 3,569.45/x
  3. Step 3: Cross multiply
    6,402.20x = 8,834.81 × 3,569.45
  4. Step 4: Simplify right side
    6,402.20x = 31,535,350.53
  5. Step 5: Solve for x
    x = 31,535,350.53/6,402.20
  6. Step 6: Final answer
    x = 4,925.71

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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.