Home / 8,772.66-13,162.25-5,265.18

Finding the Fourth Proportional to 8,772.66, 13,162.25 and 5,265.18

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Solution

The fourth proportional to 8,772.66, 13,162.25 and 5,265.18 is: 7,899.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,772.66 : 13,162.25 = 5,265.18 : x
  2. Step 2: Convert to fraction form
    8,772.66/13,162.25 = 5,265.18/x
  3. Step 3: Cross multiply
    8,772.66x = 13,162.25 × 5,265.18
  4. Step 4: Simplify right side
    8,772.66x = 69,301,628.62
  5. Step 5: Solve for x
    x = 69,301,628.62/8,772.66
  6. Step 6: Final answer
    x = 7,899.73

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1.5x scale

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.