Home / 5,167.93-7,127.13-4,282.18

Finding the Fourth Proportional to 5,167.93, 7,127.13 and 4,282.18

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Solution

The fourth proportional to 5,167.93, 7,127.13 and 4,282.18 is: 5,905.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,167.93 : 7,127.13 = 4,282.18 : x
  2. Step 2: Convert to fraction form
    5,167.93/7,127.13 = 4,282.18/x
  3. Step 3: Cross multiply
    5,167.93x = 7,127.13 × 4,282.18
  4. Step 4: Simplify right side
    5,167.93x = 30,519,653.54
  5. Step 5: Solve for x
    x = 30,519,653.54/5,167.93
  6. Step 6: Final answer
    x = 5,905.59

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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.