Home / 8,217.48-11,354.58-7,167.72

Finding the Fourth Proportional to 8,217.48, 11,354.58 and 7,167.72

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Solution

The fourth proportional to 8,217.48, 11,354.58 and 7,167.72 is: 9,904.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,217.48 : 11,354.58 = 7,167.72 : x
  2. Step 2: Convert to fraction form
    8,217.48/11,354.58 = 7,167.72/x
  3. Step 3: Cross multiply
    8,217.48x = 11,354.58 × 7,167.72
  4. Step 4: Simplify right side
    8,217.48x = 81,386,450.16
  5. Step 5: Solve for x
    x = 81,386,450.16/8,217.48
  6. Step 6: Final answer
    x = 9,904.06

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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.