Home / 8,937.17-13,404.12-3,388.67

Finding the Fourth Proportional to 8,937.17, 13,404.12 and 3,388.67

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Solution

The fourth proportional to 8,937.17, 13,404.12 and 3,388.67 is: 5,082.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,937.17 : 13,404.12 = 3,388.67 : x
  2. Step 2: Convert to fraction form
    8,937.17/13,404.12 = 3,388.67/x
  3. Step 3: Cross multiply
    8,937.17x = 13,404.12 × 3,388.67
  4. Step 4: Simplify right side
    8,937.17x = 45,422,139.32
  5. Step 5: Solve for x
    x = 45,422,139.32/8,937.17
  6. Step 6: Final answer
    x = 5,082.39

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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.