Home / 8,257.75-11,395.50-4,720.74

Finding the Fourth Proportional to 8,257.75, 11,395.50 and 4,720.74

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Solution

The fourth proportional to 8,257.75, 11,395.50 and 4,720.74 is: 6,514.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,257.75 : 11,395.50 = 4,720.74 : x
  2. Step 2: Convert to fraction form
    8,257.75/11,395.50 = 4,720.74/x
  3. Step 3: Cross multiply
    8,257.75x = 11,395.50 × 4,720.74
  4. Step 4: Simplify right side
    8,257.75x = 53,795,132.23
  5. Step 5: Solve for x
    x = 53,795,132.23/8,257.75
  6. Step 6: Final answer
    x = 6,514.50

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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.