Home / 8,865.41-12,234.29-5,328.68

Finding the Fourth Proportional to 8,865.41, 12,234.29 and 5,328.68

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Solution

The fourth proportional to 8,865.41, 12,234.29 and 5,328.68 is: 7,353.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,865.41 : 12,234.29 = 5,328.68 : x
  2. Step 2: Convert to fraction form
    8,865.41/12,234.29 = 5,328.68/x
  3. Step 3: Cross multiply
    8,865.41x = 12,234.29 × 5,328.68
  4. Step 4: Simplify right side
    8,865.41x = 65,192,528.62
  5. Step 5: Solve for x
    x = 65,192,528.62/8,865.41
  6. Step 6: Final answer
    x = 7,353.59

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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.