Home / 5,723.02-7,897.12-3,204.78

Finding the Fourth Proportional to 5,723.02, 7,897.12 and 3,204.78

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Solution

The fourth proportional to 5,723.02, 7,897.12 and 3,204.78 is: 4,422.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,723.02 : 7,897.12 = 3,204.78 : x
  2. Step 2: Convert to fraction form
    5,723.02/7,897.12 = 3,204.78/x
  3. Step 3: Cross multiply
    5,723.02x = 7,897.12 × 3,204.78
  4. Step 4: Simplify right side
    5,723.02x = 25,308,516.21
  5. Step 5: Solve for x
    x = 25,308,516.21/5,723.02
  6. Step 6: Final answer
    x = 4,422.23

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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.