Home / 8,276.80-11,418.96-7,395.52

Finding the Fourth Proportional to 8,276.80, 11,418.96 and 7,395.52

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Solution

The fourth proportional to 8,276.80, 11,418.96 and 7,395.52 is: 10,203.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,276.80 : 11,418.96 = 7,395.52 : x
  2. Step 2: Convert to fraction form
    8,276.80/11,418.96 = 7,395.52/x
  3. Step 3: Cross multiply
    8,276.80x = 11,418.96 × 7,395.52
  4. Step 4: Simplify right side
    8,276.80x = 84,449,147.06
  5. Step 5: Solve for x
    x = 84,449,147.06/8,276.80
  6. Step 6: Final answer
    x = 10,203.12

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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.