Home / 5,445.28-8,168.09-2,595.15

Finding the Fourth Proportional to 5,445.28, 8,168.09 and 2,595.15

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Solution

The fourth proportional to 5,445.28, 8,168.09 and 2,595.15 is: 3,892.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.28 : 8,168.09 = 2,595.15 : x
  2. Step 2: Convert to fraction form
    5,445.28/8,168.09 = 2,595.15/x
  3. Step 3: Cross multiply
    5,445.28x = 8,168.09 × 2,595.15
  4. Step 4: Simplify right side
    5,445.28x = 21,197,418.76
  5. Step 5: Solve for x
    x = 21,197,418.76/5,445.28
  6. Step 6: Final answer
    x = 3,892.81

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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.