Home / 8,934.82-12,330.60-5,158.67

Finding the Fourth Proportional to 8,934.82, 12,330.60 and 5,158.67

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Solution

The fourth proportional to 8,934.82, 12,330.60 and 5,158.67 is: 7,119.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,934.82 : 12,330.60 = 5,158.67 : x
  2. Step 2: Convert to fraction form
    8,934.82/12,330.60 = 5,158.67/x
  3. Step 3: Cross multiply
    8,934.82x = 12,330.60 × 5,158.67
  4. Step 4: Simplify right side
    8,934.82x = 63,609,527.13
  5. Step 5: Solve for x
    x = 63,609,527.13/8,934.82
  6. Step 6: Final answer
    x = 7,119.29

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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.