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Finding the Fourth Proportional to 8,802.77, 12,148.13 and 4,823.87

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Solution

The fourth proportional to 8,802.77, 12,148.13 and 4,823.87 is: 6,657.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,802.77 : 12,148.13 = 4,823.87 : x
  2. Step 2: Convert to fraction form
    8,802.77/12,148.13 = 4,823.87/x
  3. Step 3: Cross multiply
    8,802.77x = 12,148.13 × 4,823.87
  4. Step 4: Simplify right side
    8,802.77x = 58,600,999.86
  5. Step 5: Solve for x
    x = 58,600,999.86/8,802.77
  6. Step 6: Final answer
    x = 6,657.11

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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.