Home / 7,475.42-10,315.98-4,331.90

Finding the Fourth Proportional to 7,475.42, 10,315.98 and 4,331.90

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Solution

The fourth proportional to 7,475.42, 10,315.98 and 4,331.90 is: 5,977.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.42 : 10,315.98 = 4,331.90 : x
  2. Step 2: Convert to fraction form
    7,475.42/10,315.98 = 4,331.90/x
  3. Step 3: Cross multiply
    7,475.42x = 10,315.98 × 4,331.90
  4. Step 4: Simplify right side
    7,475.42x = 44,687,793.76
  5. Step 5: Solve for x
    x = 44,687,793.76/7,475.42
  6. Step 6: Final answer
    x = 5,977.96

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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.