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Finding the Fourth Proportional to 8,802.18, 13,135.02 and 7,867.44

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Solution

The fourth proportional to 8,802.18, 13,135.02 and 7,867.44 is: 11,740.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,802.18 : 13,135.02 = 7,867.44 : x
  2. Step 2: Convert to fraction form
    8,802.18/13,135.02 = 7,867.44/x
  3. Step 3: Cross multiply
    8,802.18x = 13,135.02 × 7,867.44
  4. Step 4: Simplify right side
    8,802.18x = 103,338,958.75
  5. Step 5: Solve for x
    x = 103,338,958.75/8,802.18
  6. Step 6: Final answer
    x = 11,740.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.