Home / 8,743.32-13,120.45-3,549.19

Finding the Fourth Proportional to 8,743.32, 13,120.45 and 3,549.19

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Solution

The fourth proportional to 8,743.32, 13,120.45 and 3,549.19 is: 5,326.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,743.32 : 13,120.45 = 3,549.19 : x
  2. Step 2: Convert to fraction form
    8,743.32/13,120.45 = 3,549.19/x
  3. Step 3: Cross multiply
    8,743.32x = 13,120.45 × 3,549.19
  4. Step 4: Simplify right side
    8,743.32x = 46,566,969.94
  5. Step 5: Solve for x
    x = 46,566,969.94/8,743.32
  6. Step 6: Final answer
    x = 5,326.01

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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.