Home / 5,581.19-8,374.22-2,117.63

Finding the Fourth Proportional to 5,581.19, 8,374.22 and 2,117.63

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Solution

The fourth proportional to 5,581.19, 8,374.22 and 2,117.63 is: 3,177.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,581.19 : 8,374.22 = 2,117.63 : x
  2. Step 2: Convert to fraction form
    5,581.19/8,374.22 = 2,117.63/x
  3. Step 3: Cross multiply
    5,581.19x = 8,374.22 × 2,117.63
  4. Step 4: Simplify right side
    5,581.19x = 17,733,447.04
  5. Step 5: Solve for x
    x = 17,733,447.04/5,581.19
  6. Step 6: Final answer
    x = 3,177.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.