Home / 8,743.10-13,111.27-2,898.14

Finding the Fourth Proportional to 8,743.10, 13,111.27 and 2,898.14

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Solution

The fourth proportional to 8,743.10, 13,111.27 and 2,898.14 is: 4,346.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,743.10 : 13,111.27 = 2,898.14 : x
  2. Step 2: Convert to fraction form
    8,743.10/13,111.27 = 2,898.14/x
  3. Step 3: Cross multiply
    8,743.10x = 13,111.27 × 2,898.14
  4. Step 4: Simplify right side
    8,743.10x = 37,998,223.24
  5. Step 5: Solve for x
    x = 37,998,223.24/8,743.10
  6. Step 6: Final answer
    x = 4,346.08

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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.