Home / 8,220.69-12,332.25-2,376.54

Finding the Fourth Proportional to 8,220.69, 12,332.25 and 2,376.54

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Solution

The fourth proportional to 8,220.69, 12,332.25 and 2,376.54 is: 3,565.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,220.69 : 12,332.25 = 2,376.54 : x
  2. Step 2: Convert to fraction form
    8,220.69/12,332.25 = 2,376.54/x
  3. Step 3: Cross multiply
    8,220.69x = 12,332.25 × 2,376.54
  4. Step 4: Simplify right side
    8,220.69x = 29,308,085.42
  5. Step 5: Solve for x
    x = 29,308,085.42/8,220.69
  6. Step 6: Final answer
    x = 3,565.16

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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.