Home / 5,320.38-7,346.43-3,432.90

Finding the Fourth Proportional to 5,320.38, 7,346.43 and 3,432.90

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Solution

The fourth proportional to 5,320.38, 7,346.43 and 3,432.90 is: 4,740.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.38 : 7,346.43 = 3,432.90 : x
  2. Step 2: Convert to fraction form
    5,320.38/7,346.43 = 3,432.90/x
  3. Step 3: Cross multiply
    5,320.38x = 7,346.43 × 3,432.90
  4. Step 4: Simplify right side
    5,320.38x = 25,219,559.55
  5. Step 5: Solve for x
    x = 25,219,559.55/5,320.38
  6. Step 6: Final answer
    x = 4,740.18

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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.