Home / 5,432.94-8,152.18-2,148.80

Finding the Fourth Proportional to 5,432.94, 8,152.18 and 2,148.80

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Solution

The fourth proportional to 5,432.94, 8,152.18 and 2,148.80 is: 3,224.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432.94 : 8,152.18 = 2,148.80 : x
  2. Step 2: Convert to fraction form
    5,432.94/8,152.18 = 2,148.80/x
  3. Step 3: Cross multiply
    5,432.94x = 8,152.18 × 2,148.80
  4. Step 4: Simplify right side
    5,432.94x = 17,517,358.25
  5. Step 5: Solve for x
    x = 17,517,358.25/5,432.94
  6. Step 6: Final answer
    x = 3,224.29

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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.