Home / 7,005.20-10,502.56-4,231.24

Finding the Fourth Proportional to 7,005.20, 10,502.56 and 4,231.24

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Solution

The fourth proportional to 7,005.20, 10,502.56 and 4,231.24 is: 6,343.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,005.20 : 10,502.56 = 4,231.24 : x
  2. Step 2: Convert to fraction form
    7,005.20/10,502.56 = 4,231.24/x
  3. Step 3: Cross multiply
    7,005.20x = 10,502.56 × 4,231.24
  4. Step 4: Simplify right side
    7,005.20x = 44,438,851.97
  5. Step 5: Solve for x
    x = 44,438,851.97/7,005.20
  6. Step 6: Final answer
    x = 6,343.69

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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.