Home / 5,424.93-7,486.02-3,186.90

Finding the Fourth Proportional to 5,424.93, 7,486.02 and 3,186.90

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Solution

The fourth proportional to 5,424.93, 7,486.02 and 3,186.90 is: 4,397.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.93 : 7,486.02 = 3,186.90 : x
  2. Step 2: Convert to fraction form
    5,424.93/7,486.02 = 3,186.90/x
  3. Step 3: Cross multiply
    5,424.93x = 7,486.02 × 3,186.90
  4. Step 4: Simplify right side
    5,424.93x = 23,857,197.14
  5. Step 5: Solve for x
    x = 23,857,197.14/5,424.93
  6. Step 6: Final answer
    x = 4,397.70

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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.