Home / 5,432.18-8,140.90-2,308.27

Finding the Fourth Proportional to 5,432.18, 8,140.90 and 2,308.27

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Solution

The fourth proportional to 5,432.18, 8,140.90 and 2,308.27 is: 3,459.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432.18 : 8,140.90 = 2,308.27 : x
  2. Step 2: Convert to fraction form
    5,432.18/8,140.90 = 2,308.27/x
  3. Step 3: Cross multiply
    5,432.18x = 8,140.90 × 2,308.27
  4. Step 4: Simplify right side
    5,432.18x = 18,791,343.00
  5. Step 5: Solve for x
    x = 18,791,343.00/5,432.18
  6. Step 6: Final answer
    x = 3,459.26

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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.