Home / 8,215.32-12,333.87-4,889.73

Finding the Fourth Proportional to 8,215.32, 12,333.87 and 4,889.73

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Solution

The fourth proportional to 8,215.32, 12,333.87 and 4,889.73 is: 7,341.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,215.32 : 12,333.87 = 4,889.73 : x
  2. Step 2: Convert to fraction form
    8,215.32/12,333.87 = 4,889.73/x
  3. Step 3: Cross multiply
    8,215.32x = 12,333.87 × 4,889.73
  4. Step 4: Simplify right side
    8,215.32x = 60,309,294.16
  5. Step 5: Solve for x
    x = 60,309,294.16/8,215.32
  6. Step 6: Final answer
    x = 7,341.08

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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.