Home / 8,317.24-11,478.60-6,217.72

Finding the Fourth Proportional to 8,317.24, 11,478.60 and 6,217.72

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Solution

The fourth proportional to 8,317.24, 11,478.60 and 6,217.72 is: 8,581.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317.24 : 11,478.60 = 6,217.72 : x
  2. Step 2: Convert to fraction form
    8,317.24/11,478.60 = 6,217.72/x
  3. Step 3: Cross multiply
    8,317.24x = 11,478.60 × 6,217.72
  4. Step 4: Simplify right side
    8,317.24x = 71,370,720.79
  5. Step 5: Solve for x
    x = 71,370,720.79/8,317.24
  6. Step 6: Final answer
    x = 8,581.06

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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.