Home / 8,257.03-11,394.34-4,720.47

Finding the Fourth Proportional to 8,257.03, 11,394.34 and 4,720.47

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Solution

The fourth proportional to 8,257.03, 11,394.34 and 4,720.47 is: 6,514.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,257.03 : 11,394.34 = 4,720.47 : x
  2. Step 2: Convert to fraction form
    8,257.03/11,394.34 = 4,720.47/x
  3. Step 3: Cross multiply
    8,257.03x = 11,394.34 × 4,720.47
  4. Step 4: Simplify right side
    8,257.03x = 53,786,585.61
  5. Step 5: Solve for x
    x = 53,786,585.61/8,257.03
  6. Step 6: Final answer
    x = 6,514.04

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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.