Home / 5,432.47-8,152.79-2,512.82

Finding the Fourth Proportional to 5,432.47, 8,152.79 and 2,512.82

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Solution

The fourth proportional to 5,432.47, 8,152.79 and 2,512.82 is: 3,771.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432.47 : 8,152.79 = 2,512.82 : x
  2. Step 2: Convert to fraction form
    5,432.47/8,152.79 = 2,512.82/x
  3. Step 3: Cross multiply
    5,432.47x = 8,152.79 × 2,512.82
  4. Step 4: Simplify right side
    5,432.47x = 20,486,501.59
  5. Step 5: Solve for x
    x = 20,486,501.59/5,432.47
  6. Step 6: Final answer
    x = 3,771.12

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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.