Home / 8,497.18-11,724.55-5,139.52

Finding the Fourth Proportional to 8,497.18, 11,724.55 and 5,139.52

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Solution

The fourth proportional to 8,497.18, 11,724.55 and 5,139.52 is: 7,091.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,497.18 : 11,724.55 = 5,139.52 : x
  2. Step 2: Convert to fraction form
    8,497.18/11,724.55 = 5,139.52/x
  3. Step 3: Cross multiply
    8,497.18x = 11,724.55 × 5,139.52
  4. Step 4: Simplify right side
    8,497.18x = 60,258,559.22
  5. Step 5: Solve for x
    x = 60,258,559.22/8,497.18
  6. Step 6: Final answer
    x = 7,091.60

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