Home / 5,249.90-7,858.56-3,925.85

Finding the Fourth Proportional to 5,249.90, 7,858.56 and 3,925.85

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Solution

The fourth proportional to 5,249.90, 7,858.56 and 3,925.85 is: 5,876.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,249.90 : 7,858.56 = 3,925.85 : x
  2. Step 2: Convert to fraction form
    5,249.90/7,858.56 = 3,925.85/x
  3. Step 3: Cross multiply
    5,249.90x = 7,858.56 × 3,925.85
  4. Step 4: Simplify right side
    5,249.90x = 30,851,547.42
  5. Step 5: Solve for x
    x = 30,851,547.42/5,249.90
  6. Step 6: Final answer
    x = 5,876.59

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1.5x scale

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.