Home / 8,257.12-11,395.18-4,720.33

Finding the Fourth Proportional to 8,257.12, 11,395.18 and 4,720.33

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Solution

The fourth proportional to 8,257.12, 11,395.18 and 4,720.33 is: 6,514.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,257.12 : 11,395.18 = 4,720.33 : x
  2. Step 2: Convert to fraction form
    8,257.12/11,395.18 = 4,720.33/x
  3. Step 3: Cross multiply
    8,257.12x = 11,395.18 × 4,720.33
  4. Step 4: Simplify right side
    8,257.12x = 53,788,986.41
  5. Step 5: Solve for x
    x = 53,788,986.41/8,257.12
  6. Step 6: Final answer
    x = 6,514.26

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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.