Home / 7,486.20-11,215.26-6,261.48

Finding the Fourth Proportional to 7,486.20, 11,215.26 and 6,261.48

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Solution

The fourth proportional to 7,486.20, 11,215.26 and 6,261.48 is: 9,380.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.20 : 11,215.26 = 6,261.48 : x
  2. Step 2: Convert to fraction form
    7,486.20/11,215.26 = 6,261.48/x
  3. Step 3: Cross multiply
    7,486.20x = 11,215.26 × 6,261.48
  4. Step 4: Simplify right side
    7,486.20x = 70,224,126.18
  5. Step 5: Solve for x
    x = 70,224,126.18/7,486.20
  6. Step 6: Final answer
    x = 9,380.48

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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.