Home / 5,432.85-8,147.21-2,310.91

Finding the Fourth Proportional to 5,432.85, 8,147.21 and 2,310.91

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Solution

The fourth proportional to 5,432.85, 8,147.21 and 2,310.91 is: 3,465.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432.85 : 8,147.21 = 2,310.91 : x
  2. Step 2: Convert to fraction form
    5,432.85/8,147.21 = 2,310.91/x
  3. Step 3: Cross multiply
    5,432.85x = 8,147.21 × 2,310.91
  4. Step 4: Simplify right side
    5,432.85x = 18,827,437.14
  5. Step 5: Solve for x
    x = 18,827,437.14/5,432.85
  6. Step 6: Final answer
    x = 3,465.48

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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.