Home / 8,424.19-12,618.06-5,493.61

Finding the Fourth Proportional to 8,424.19, 12,618.06 and 5,493.61

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Solution

The fourth proportional to 8,424.19, 12,618.06 and 5,493.61 is: 8,228.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,424.19 : 12,618.06 = 5,493.61 : x
  2. Step 2: Convert to fraction form
    8,424.19/12,618.06 = 5,493.61/x
  3. Step 3: Cross multiply
    8,424.19x = 12,618.06 × 5,493.61
  4. Step 4: Simplify right side
    8,424.19x = 69,318,700.60
  5. Step 5: Solve for x
    x = 69,318,700.60/8,424.19
  6. Step 6: Final answer
    x = 8,228.53

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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.