Home / 8,020.16-11,067.80-4,386.21

Finding the Fourth Proportional to 8,020.16, 11,067.80 and 4,386.21

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Solution

The fourth proportional to 8,020.16, 11,067.80 and 4,386.21 is: 6,052.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020.16 : 11,067.80 = 4,386.21 : x
  2. Step 2: Convert to fraction form
    8,020.16/11,067.80 = 4,386.21/x
  3. Step 3: Cross multiply
    8,020.16x = 11,067.80 × 4,386.21
  4. Step 4: Simplify right side
    8,020.16x = 48,545,706.00
  5. Step 5: Solve for x
    x = 48,545,706.00/8,020.16
  6. Step 6: Final answer
    x = 6,052.96

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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.