Home / 8,079.90-11,146.80-4,934.26

Finding the Fourth Proportional to 8,079.90, 11,146.80 and 4,934.26

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Solution

The fourth proportional to 8,079.90, 11,146.80 and 4,934.26 is: 6,807.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,079.90 : 11,146.80 = 4,934.26 : x
  2. Step 2: Convert to fraction form
    8,079.90/11,146.80 = 4,934.26/x
  3. Step 3: Cross multiply
    8,079.90x = 11,146.80 × 4,934.26
  4. Step 4: Simplify right side
    8,079.90x = 55,001,209.37
  5. Step 5: Solve for x
    x = 55,001,209.37/8,079.90
  6. Step 6: Final answer
    x = 6,807.16

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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.