Home / 5,148.78-7,677.97-5,102.02

Finding the Fourth Proportional to 5,148.78, 7,677.97 and 5,102.02

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Solution

The fourth proportional to 5,148.78, 7,677.97 and 5,102.02 is: 7,608.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148.78 : 7,677.97 = 5,102.02 : x
  2. Step 2: Convert to fraction form
    5,148.78/7,677.97 = 5,102.02/x
  3. Step 3: Cross multiply
    5,148.78x = 7,677.97 × 5,102.02
  4. Step 4: Simplify right side
    5,148.78x = 39,173,156.50
  5. Step 5: Solve for x
    x = 39,173,156.50/5,148.78
  6. Step 6: Final answer
    x = 7,608.24

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.