Home / 8,140.56-11,239.02-6,248.52

Finding the Fourth Proportional to 8,140.56, 11,239.02 and 6,248.52

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Solution

The fourth proportional to 8,140.56, 11,239.02 and 6,248.52 is: 8,626.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,140.56 : 11,239.02 = 6,248.52 : x
  2. Step 2: Convert to fraction form
    8,140.56/11,239.02 = 6,248.52/x
  3. Step 3: Cross multiply
    8,140.56x = 11,239.02 × 6,248.52
  4. Step 4: Simplify right side
    8,140.56x = 70,227,183.28
  5. Step 5: Solve for x
    x = 70,227,183.28/8,140.56
  6. Step 6: Final answer
    x = 8,626.83

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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.