Home / 6,402.04-8,834.78-3,569.40

Finding the Fourth Proportional to 6,402.04, 8,834.78 and 3,569.40

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Solution

The fourth proportional to 6,402.04, 8,834.78 and 3,569.40 is: 4,925.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,402.04 : 8,834.78 = 3,569.40 : x
  2. Step 2: Convert to fraction form
    6,402.04/8,834.78 = 3,569.40/x
  3. Step 3: Cross multiply
    6,402.04x = 8,834.78 × 3,569.40
  4. Step 4: Simplify right side
    6,402.04x = 31,534,872.66
  5. Step 5: Solve for x
    x = 31,534,872.66/6,402.04
  6. Step 6: Final answer
    x = 4,925.76

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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.