Home / 8,958.27-13,416.91-4,281.57

Finding the Fourth Proportional to 8,958.27, 13,416.91 and 4,281.57

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Solution

The fourth proportional to 8,958.27, 13,416.91 and 4,281.57 is: 6,412.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,958.27 : 13,416.91 = 4,281.57 : x
  2. Step 2: Convert to fraction form
    8,958.27/13,416.91 = 4,281.57/x
  3. Step 3: Cross multiply
    8,958.27x = 13,416.91 × 4,281.57
  4. Step 4: Simplify right side
    8,958.27x = 57,445,439.35
  5. Step 5: Solve for x
    x = 57,445,439.35/8,958.27
  6. Step 6: Final answer
    x = 6,412.56

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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.