Home / 8,802.39-12,147.44-5,265.75

Finding the Fourth Proportional to 8,802.39, 12,147.44 and 5,265.75

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Solution

The fourth proportional to 8,802.39, 12,147.44 and 5,265.75 is: 7,266.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,802.39 : 12,147.44 = 5,265.75 : x
  2. Step 2: Convert to fraction form
    8,802.39/12,147.44 = 5,265.75/x
  3. Step 3: Cross multiply
    8,802.39x = 12,147.44 × 5,265.75
  4. Step 4: Simplify right side
    8,802.39x = 63,965,355.85
  5. Step 5: Solve for x
    x = 63,965,355.85/8,802.39
  6. Step 6: Final answer
    x = 7,266.82

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1.5x scale

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.