Home / 5,432.40-8,148.45-1,734.85

Finding the Fourth Proportional to 5,432.40, 8,148.45 and 1,734.85

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Solution

The fourth proportional to 5,432.40, 8,148.45 and 1,734.85 is: 2,602.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432.40 : 8,148.45 = 1,734.85 : x
  2. Step 2: Convert to fraction form
    5,432.40/8,148.45 = 1,734.85/x
  3. Step 3: Cross multiply
    5,432.40x = 8,148.45 × 1,734.85
  4. Step 4: Simplify right side
    5,432.40x = 14,136,338.48
  5. Step 5: Solve for x
    x = 14,136,338.48/5,432.40
  6. Step 6: Final answer
    x = 2,602.23

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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.