Home / 7,128.33-9,843.40-4,444.13

Finding the Fourth Proportional to 7,128.33, 9,843.40 and 4,444.13

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Solution

The fourth proportional to 7,128.33, 9,843.40 and 4,444.13 is: 6,136.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128.33 : 9,843.40 = 4,444.13 : x
  2. Step 2: Convert to fraction form
    7,128.33/9,843.40 = 4,444.13/x
  3. Step 3: Cross multiply
    7,128.33x = 9,843.40 × 4,444.13
  4. Step 4: Simplify right side
    7,128.33x = 43,745,325.38
  5. Step 5: Solve for x
    x = 43,745,325.38/7,128.33
  6. Step 6: Final answer
    x = 6,136.83

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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.