Home / 5,432.92-8,142.86-2,801.68

Finding the Fourth Proportional to 5,432.92, 8,142.86 and 2,801.68

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Solution

The fourth proportional to 5,432.92, 8,142.86 and 2,801.68 is: 4,199.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432.92 : 8,142.86 = 2,801.68 : x
  2. Step 2: Convert to fraction form
    5,432.92/8,142.86 = 2,801.68/x
  3. Step 3: Cross multiply
    5,432.92x = 8,142.86 × 2,801.68
  4. Step 4: Simplify right side
    5,432.92x = 22,813,688.00
  5. Step 5: Solve for x
    x = 22,813,688.00/5,432.92
  6. Step 6: Final answer
    x = 4,199.16

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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.