Home / 5,601.26-7,728.16-3,612.98

Finding the Fourth Proportional to 5,601.26, 7,728.16 and 3,612.98

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Solution

The fourth proportional to 5,601.26, 7,728.16 and 3,612.98 is: 4,984.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,601.26 : 7,728.16 = 3,612.98 : x
  2. Step 2: Convert to fraction form
    5,601.26/7,728.16 = 3,612.98/x
  3. Step 3: Cross multiply
    5,601.26x = 7,728.16 × 3,612.98
  4. Step 4: Simplify right side
    5,601.26x = 27,921,669.45
  5. Step 5: Solve for x
    x = 27,921,669.45/5,601.26
  6. Step 6: Final answer
    x = 4,984.89

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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.