Home / 6,402.50-8,835.48-3,569.66

Finding the Fourth Proportional to 6,402.50, 8,835.48 and 3,569.66

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Solution

The fourth proportional to 6,402.50, 8,835.48 and 3,569.66 is: 4,926.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,402.50 : 8,835.48 = 3,569.66 : x
  2. Step 2: Convert to fraction form
    6,402.50/8,835.48 = 3,569.66/x
  3. Step 3: Cross multiply
    6,402.50x = 8,835.48 × 3,569.66
  4. Step 4: Simplify right side
    6,402.50x = 31,539,659.54
  5. Step 5: Solve for x
    x = 31,539,659.54/6,402.50
  6. Step 6: Final answer
    x = 4,926.15

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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.