Home / 5,244.80-7,856.76-3,165.36

Finding the Fourth Proportional to 5,244.80, 7,856.76 and 3,165.36

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Solution

The fourth proportional to 5,244.80, 7,856.76 and 3,165.36 is: 4,741.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,244.80 : 7,856.76 = 3,165.36 : x
  2. Step 2: Convert to fraction form
    5,244.80/7,856.76 = 3,165.36/x
  3. Step 3: Cross multiply
    5,244.80x = 7,856.76 × 3,165.36
  4. Step 4: Simplify right side
    5,244.80x = 24,869,473.83
  5. Step 5: Solve for x
    x = 24,869,473.83/5,244.80
  6. Step 6: Final answer
    x = 4,741.74

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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.