Home / 8,742.32-13,118.95-3,548.19

Finding the Fourth Proportional to 8,742.32, 13,118.95 and 3,548.19

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Solution

The fourth proportional to 8,742.32, 13,118.95 and 3,548.19 is: 5,324.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,742.32 : 13,118.95 = 3,548.19 : x
  2. Step 2: Convert to fraction form
    8,742.32/13,118.95 = 3,548.19/x
  3. Step 3: Cross multiply
    8,742.32x = 13,118.95 × 3,548.19
  4. Step 4: Simplify right side
    8,742.32x = 46,548,542.26
  5. Step 5: Solve for x
    x = 46,548,542.26/8,742.32
  6. Step 6: Final answer
    x = 5,324.51

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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.