Home / 6,387.05-8,814.04-3,592.55

Finding the Fourth Proportional to 6,387.05, 8,814.04 and 3,592.55

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Solution

The fourth proportional to 6,387.05, 8,814.04 and 3,592.55 is: 4,957.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,387.05 : 8,814.04 = 3,592.55 : x
  2. Step 2: Convert to fraction form
    6,387.05/8,814.04 = 3,592.55/x
  3. Step 3: Cross multiply
    6,387.05x = 8,814.04 × 3,592.55
  4. Step 4: Simplify right side
    6,387.05x = 31,664,826.35
  5. Step 5: Solve for x
    x = 31,664,826.35/6,387.05
  6. Step 6: Final answer
    x = 4,957.66

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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.