Home / 7,454.35-11,181.87-5,272.82

Finding the Fourth Proportional to 7,454.35, 11,181.87 and 5,272.82

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Solution

The fourth proportional to 7,454.35, 11,181.87 and 5,272.82 is: 7,909.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,454.35 : 11,181.87 = 5,272.82 : x
  2. Step 2: Convert to fraction form
    7,454.35/11,181.87 = 5,272.82/x
  3. Step 3: Cross multiply
    7,454.35x = 11,181.87 × 5,272.82
  4. Step 4: Simplify right side
    7,454.35x = 58,959,987.77
  5. Step 5: Solve for x
    x = 58,959,987.77/7,454.35
  6. Step 6: Final answer
    x = 7,909.47

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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.