Home / 5,600.79-7,729.05-3,083.13

Finding the Fourth Proportional to 5,600.79, 7,729.05 and 3,083.13

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Solution

The fourth proportional to 5,600.79, 7,729.05 and 3,083.13 is: 4,254.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,600.79 : 7,729.05 = 3,083.13 : x
  2. Step 2: Convert to fraction form
    5,600.79/7,729.05 = 3,083.13/x
  3. Step 3: Cross multiply
    5,600.79x = 7,729.05 × 3,083.13
  4. Step 4: Simplify right side
    5,600.79x = 23,829,665.93
  5. Step 5: Solve for x
    x = 23,829,665.93/5,600.79
  6. Step 6: Final answer
    x = 4,254.70

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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.