Home / 8,865.20-12,233.16-5,087.60

Finding the Fourth Proportional to 8,865.20, 12,233.16 and 5,087.60

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Solution

The fourth proportional to 8,865.20, 12,233.16 and 5,087.60 is: 7,020.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,865.20 : 12,233.16 = 5,087.60 : x
  2. Step 2: Convert to fraction form
    8,865.20/12,233.16 = 5,087.60/x
  3. Step 3: Cross multiply
    8,865.20x = 12,233.16 × 5,087.60
  4. Step 4: Simplify right side
    8,865.20x = 62,237,424.82
  5. Step 5: Solve for x
    x = 62,237,424.82/8,865.20
  6. Step 6: Final answer
    x = 7,020.42

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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.