Home / 8,230.61-11,355.19-5,245.76

Finding the Fourth Proportional to 8,230.61, 11,355.19 and 5,245.76

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Solution

The fourth proportional to 8,230.61, 11,355.19 and 5,245.76 is: 7,237.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,230.61 : 11,355.19 = 5,245.76 : x
  2. Step 2: Convert to fraction form
    8,230.61/11,355.19 = 5,245.76/x
  3. Step 3: Cross multiply
    8,230.61x = 11,355.19 × 5,245.76
  4. Step 4: Simplify right side
    8,230.61x = 59,566,616.77
  5. Step 5: Solve for x
    x = 59,566,616.77/8,230.61
  6. Step 6: Final answer
    x = 7,237.20

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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.