Home / 5,385.87-7,432.35-3,028.14

Finding the Fourth Proportional to 5,385.87, 7,432.35 and 3,028.14

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Solution

The fourth proportional to 5,385.87, 7,432.35 and 3,028.14 is: 4,178.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.87 : 7,432.35 = 3,028.14 : x
  2. Step 2: Convert to fraction form
    5,385.87/7,432.35 = 3,028.14/x
  3. Step 3: Cross multiply
    5,385.87x = 7,432.35 × 3,028.14
  4. Step 4: Simplify right side
    5,385.87x = 22,506,196.33
  5. Step 5: Solve for x
    x = 22,506,196.33/5,385.87
  6. Step 6: Final answer
    x = 4,178.75

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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.