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Finding the Fourth Proportional to 5,195.50, 7,793.25 and 1,547.50

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Solution

The fourth proportional to 5,195.50, 7,793.25 and 1,547.50 is: 2,321.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,195.50 : 7,793.25 = 1,547.50 : x
  2. Step 2: Convert to fraction form
    5,195.50/7,793.25 = 1,547.50/x
  3. Step 3: Cross multiply
    5,195.50x = 7,793.25 × 1,547.50
  4. Step 4: Simplify right side
    5,195.50x = 12,060,054.38
  5. Step 5: Solve for x
    x = 12,060,054.38/5,195.50
  6. Step 6: Final answer
    x = 2,321.25

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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.