Home / 5,432.95-8,148.61-3,431.71

Finding the Fourth Proportional to 5,432.95, 8,148.61 and 3,431.71

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Solution

The fourth proportional to 5,432.95, 8,148.61 and 3,431.71 is: 5,147.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432.95 : 8,148.61 = 3,431.71 : x
  2. Step 2: Convert to fraction form
    5,432.95/8,148.61 = 3,431.71/x
  3. Step 3: Cross multiply
    5,432.95x = 8,148.61 × 3,431.71
  4. Step 4: Simplify right side
    5,432.95x = 27,963,666.42
  5. Step 5: Solve for x
    x = 27,963,666.42/5,432.95
  6. Step 6: Final answer
    x = 5,147.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.