Home / 8,743.15-13,109.86-3,542.95

Finding the Fourth Proportional to 8,743.15, 13,109.86 and 3,542.95

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Solution

The fourth proportional to 8,743.15, 13,109.86 and 3,542.95 is: 5,312.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,743.15 : 13,109.86 = 3,542.95 : x
  2. Step 2: Convert to fraction form
    8,743.15/13,109.86 = 3,542.95/x
  3. Step 3: Cross multiply
    8,743.15x = 13,109.86 × 3,542.95
  4. Step 4: Simplify right side
    8,743.15x = 46,447,495.22
  5. Step 5: Solve for x
    x = 46,447,495.22/8,743.15
  6. Step 6: Final answer
    x = 5,312.45

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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.