Home / 5,442.64-8,160.18-2,154.76

Finding the Fourth Proportional to 5,442.64, 8,160.18 and 2,154.76

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Solution

The fourth proportional to 5,442.64, 8,160.18 and 2,154.76 is: 3,230.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,442.64 : 8,160.18 = 2,154.76 : x
  2. Step 2: Convert to fraction form
    5,442.64/8,160.18 = 2,154.76/x
  3. Step 3: Cross multiply
    5,442.64x = 8,160.18 × 2,154.76
  4. Step 4: Simplify right side
    5,442.64x = 17,583,229.46
  5. Step 5: Solve for x
    x = 17,583,229.46/5,442.64
  6. Step 6: Final answer
    x = 3,230.64

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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.