Home / 8,724.72-12,040.92-4,998

Finding the Fourth Proportional to 8,724.72, 12,040.92 and 4,998

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Solution

The fourth proportional to 8,724.72, 12,040.92 and 4,998 is: 6,897.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,724.72 : 12,040.92 = 4,998 : x
  2. Step 2: Convert to fraction form
    8,724.72/12,040.92 = 4,998/x
  3. Step 3: Cross multiply
    8,724.72x = 12,040.92 × 4,998
  4. Step 4: Simplify right side
    8,724.72x = 60,180,518.16
  5. Step 5: Solve for x
    x = 60,180,518.16/8,724.72
  6. Step 6: Final answer
    x = 6,897.70

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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.