Home / 8,417.22-11,621.17-7,531.48

Finding the Fourth Proportional to 8,417.22, 11,621.17 and 7,531.48

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Solution

The fourth proportional to 8,417.22, 11,621.17 and 7,531.48 is: 10,398.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,417.22 : 11,621.17 = 7,531.48 : x
  2. Step 2: Convert to fraction form
    8,417.22/11,621.17 = 7,531.48/x
  3. Step 3: Cross multiply
    8,417.22x = 11,621.17 × 7,531.48
  4. Step 4: Simplify right side
    8,417.22x = 87,524,633.37
  5. Step 5: Solve for x
    x = 87,524,633.37/8,417.22
  6. Step 6: Final answer
    x = 10,398.29

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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.