Home / 6,753.60-10,130.64-5,445.06

Finding the Fourth Proportional to 6,753.60, 10,130.64 and 5,445.06

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Solution

The fourth proportional to 6,753.60, 10,130.64 and 5,445.06 is: 8,167.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,753.60 : 10,130.64 = 5,445.06 : x
  2. Step 2: Convert to fraction form
    6,753.60/10,130.64 = 5,445.06/x
  3. Step 3: Cross multiply
    6,753.60x = 10,130.64 × 5,445.06
  4. Step 4: Simplify right side
    6,753.60x = 55,161,942.64
  5. Step 5: Solve for x
    x = 55,161,942.64/6,753.60
  6. Step 6: Final answer
    x = 8,167.78

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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.