Home / 5,412.60-8,117.28-2,493.36

Finding the Fourth Proportional to 5,412.60, 8,117.28 and 2,493.36

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Solution

The fourth proportional to 5,412.60, 8,117.28 and 2,493.36 is: 3,739.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412.60 : 8,117.28 = 2,493.36 : x
  2. Step 2: Convert to fraction form
    5,412.60/8,117.28 = 2,493.36/x
  3. Step 3: Cross multiply
    5,412.60x = 8,117.28 × 2,493.36
  4. Step 4: Simplify right side
    5,412.60x = 20,239,301.26
  5. Step 5: Solve for x
    x = 20,239,301.26/5,412.60
  6. Step 6: Final answer
    x = 3,739.29

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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.