Home / 7,254.24-10,007.55-5,129.88

Finding the Fourth Proportional to 7,254.24, 10,007.55 and 5,129.88

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Solution

The fourth proportional to 7,254.24, 10,007.55 and 5,129.88 is: 7,076.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,254.24 : 10,007.55 = 5,129.88 : x
  2. Step 2: Convert to fraction form
    7,254.24/10,007.55 = 5,129.88/x
  3. Step 3: Cross multiply
    7,254.24x = 10,007.55 × 5,129.88
  4. Step 4: Simplify right side
    7,254.24x = 51,337,530.59
  5. Step 5: Solve for x
    x = 51,337,530.59/7,254.24
  6. Step 6: Final answer
    x = 7,076.90

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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.