Home / 5,432.45-8,149.13-1,735.21

Finding the Fourth Proportional to 5,432.45, 8,149.13 and 1,735.21

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Solution

The fourth proportional to 5,432.45, 8,149.13 and 1,735.21 is: 2,602.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432.45 : 8,149.13 = 1,735.21 : x
  2. Step 2: Convert to fraction form
    5,432.45/8,149.13 = 1,735.21/x
  3. Step 3: Cross multiply
    5,432.45x = 8,149.13 × 1,735.21
  4. Step 4: Simplify right side
    5,432.45x = 14,140,402.45
  5. Step 5: Solve for x
    x = 14,140,402.45/5,432.45
  6. Step 6: Final answer
    x = 2,602.95

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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.