Home / 5,434.08-7,499.10-3,076.20

Finding the Fourth Proportional to 5,434.08, 7,499.10 and 3,076.20

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Solution

The fourth proportional to 5,434.08, 7,499.10 and 3,076.20 is: 4,245.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,434.08 : 7,499.10 = 3,076.20 : x
  2. Step 2: Convert to fraction form
    5,434.08/7,499.10 = 3,076.20/x
  3. Step 3: Cross multiply
    5,434.08x = 7,499.10 × 3,076.20
  4. Step 4: Simplify right side
    5,434.08x = 23,068,731.42
  5. Step 5: Solve for x
    x = 23,068,731.42/5,434.08
  6. Step 6: Final answer
    x = 4,245.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.