Home / 8,812.41-13,217.12-2,889.18

Finding the Fourth Proportional to 8,812.41, 13,217.12 and 2,889.18

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Solution

The fourth proportional to 8,812.41, 13,217.12 and 2,889.18 is: 4,333.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,812.41 : 13,217.12 = 2,889.18 : x
  2. Step 2: Convert to fraction form
    8,812.41/13,217.12 = 2,889.18/x
  3. Step 3: Cross multiply
    8,812.41x = 13,217.12 × 2,889.18
  4. Step 4: Simplify right side
    8,812.41x = 38,186,624.32
  5. Step 5: Solve for x
    x = 38,186,624.32/8,812.41
  6. Step 6: Final answer
    x = 4,333.28

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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.