Home / 5,432.19-8,150.10-2,145.60

Finding the Fourth Proportional to 5,432.19, 8,150.10 and 2,145.60

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Solution

The fourth proportional to 5,432.19, 8,150.10 and 2,145.60 is: 3,219.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432.19 : 8,150.10 = 2,145.60 : x
  2. Step 2: Convert to fraction form
    5,432.19/8,150.10 = 2,145.60/x
  3. Step 3: Cross multiply
    5,432.19x = 8,150.10 × 2,145.60
  4. Step 4: Simplify right side
    5,432.19x = 17,486,854.56
  5. Step 5: Solve for x
    x = 17,486,854.56/5,432.19
  6. Step 6: Final answer
    x = 3,219.12

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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.