Home / 5,601.40-7,729.70-3,083.28

Finding the Fourth Proportional to 5,601.40, 7,729.70 and 3,083.28

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Solution

The fourth proportional to 5,601.40, 7,729.70 and 3,083.28 is: 4,254.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,601.40 : 7,729.70 = 3,083.28 : x
  2. Step 2: Convert to fraction form
    5,601.40/7,729.70 = 3,083.28/x
  3. Step 3: Cross multiply
    5,601.40x = 7,729.70 × 3,083.28
  4. Step 4: Simplify right side
    5,601.40x = 23,832,829.42
  5. Step 5: Solve for x
    x = 23,832,829.42/5,601.40
  6. Step 6: Final answer
    x = 4,254.80

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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.