Home / 8,051.20-11,080.16-7,306.08

Finding the Fourth Proportional to 8,051.20, 11,080.16 and 7,306.08

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Solution

The fourth proportional to 8,051.20, 11,080.16 and 7,306.08 is: 10,054.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,051.20 : 11,080.16 = 7,306.08 : x
  2. Step 2: Convert to fraction form
    8,051.20/11,080.16 = 7,306.08/x
  3. Step 3: Cross multiply
    8,051.20x = 11,080.16 × 7,306.08
  4. Step 4: Simplify right side
    8,051.20x = 80,952,535.37
  5. Step 5: Solve for x
    x = 80,952,535.37/8,051.20
  6. Step 6: Final answer
    x = 10,054.72

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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.