Home / 8,743.10-13,120.12-3,548.98

Finding the Fourth Proportional to 8,743.10, 13,120.12 and 3,548.98

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Solution

The fourth proportional to 8,743.10, 13,120.12 and 3,548.98 is: 5,325.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,743.10 : 13,120.12 = 3,548.98 : x
  2. Step 2: Convert to fraction form
    8,743.10/13,120.12 = 3,548.98/x
  3. Step 3: Cross multiply
    8,743.10x = 13,120.12 × 3,548.98
  4. Step 4: Simplify right side
    8,743.10x = 46,563,043.48
  5. Step 5: Solve for x
    x = 46,563,043.48/8,743.10
  6. Step 6: Final answer
    x = 5,325.69

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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.