Home / 5,103.92-7,656.96-1,818.02

Finding the Fourth Proportional to 5,103.92, 7,656.96 and 1,818.02

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Solution

The fourth proportional to 5,103.92, 7,656.96 and 1,818.02 is: 2,727.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,103.92 : 7,656.96 = 1,818.02 : x
  2. Step 2: Convert to fraction form
    5,103.92/7,656.96 = 1,818.02/x
  3. Step 3: Cross multiply
    5,103.92x = 7,656.96 × 1,818.02
  4. Step 4: Simplify right side
    5,103.92x = 13,920,506.42
  5. Step 5: Solve for x
    x = 13,920,506.42/5,103.92
  6. Step 6: Final answer
    x = 2,727.41

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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.