Home / 8,261.02-11,396.91-5,276.08

Finding the Fourth Proportional to 8,261.02, 11,396.91 and 5,276.08

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Solution

The fourth proportional to 8,261.02, 11,396.91 and 5,276.08 is: 7,278.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,261.02 : 11,396.91 = 5,276.08 : x
  2. Step 2: Convert to fraction form
    8,261.02/11,396.91 = 5,276.08/x
  3. Step 3: Cross multiply
    8,261.02x = 11,396.91 × 5,276.08
  4. Step 4: Simplify right side
    8,261.02x = 60,131,008.91
  5. Step 5: Solve for x
    x = 60,131,008.91/8,261.02
  6. Step 6: Final answer
    x = 7,278.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.