Home / 8,148.61-12,226.38-5,519.08

Finding the Fourth Proportional to 8,148.61, 12,226.38 and 5,519.08

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Solution

The fourth proportional to 8,148.61, 12,226.38 and 5,519.08 is: 8,280.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,148.61 : 12,226.38 = 5,519.08 : x
  2. Step 2: Convert to fraction form
    8,148.61/12,226.38 = 5,519.08/x
  3. Step 3: Cross multiply
    8,148.61x = 12,226.38 × 5,519.08
  4. Step 4: Simplify right side
    8,148.61x = 67,478,369.33
  5. Step 5: Solve for x
    x = 67,478,369.33/8,148.61
  6. Step 6: Final answer
    x = 8,280.97

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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.