Home / 8,062.07-11,105.80-6,863.20

Finding the Fourth Proportional to 8,062.07, 11,105.80 and 6,863.20

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Solution

The fourth proportional to 8,062.07, 11,105.80 and 6,863.20 is: 9,454.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,062.07 : 11,105.80 = 6,863.20 : x
  2. Step 2: Convert to fraction form
    8,062.07/11,105.80 = 6,863.20/x
  3. Step 3: Cross multiply
    8,062.07x = 11,105.80 × 6,863.20
  4. Step 4: Simplify right side
    8,062.07x = 76,221,271.03
  5. Step 5: Solve for x
    x = 76,221,271.03/8,062.07
  6. Step 6: Final answer
    x = 9,454.31

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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.