Home / 6,402.85-8,835.33-3,569.95

Finding the Fourth Proportional to 6,402.85, 8,835.33 and 3,569.95

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Solution

The fourth proportional to 6,402.85, 8,835.33 and 3,569.95 is: 4,926.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,402.85 : 8,835.33 = 3,569.95 : x
  2. Step 2: Convert to fraction form
    6,402.85/8,835.33 = 3,569.95/x
  3. Step 3: Cross multiply
    6,402.85x = 8,835.33 × 3,569.95
  4. Step 4: Simplify right side
    6,402.85x = 31,541,686.33
  5. Step 5: Solve for x
    x = 31,541,686.33/6,402.85
  6. Step 6: Final answer
    x = 4,926.19

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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.