Home / 5,685.36-8,522.08-4,121.52

Finding the Fourth Proportional to 5,685.36, 8,522.08 and 4,121.52

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Solution

The fourth proportional to 5,685.36, 8,522.08 and 4,121.52 is: 6,177.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,685.36 : 8,522.08 = 4,121.52 : x
  2. Step 2: Convert to fraction form
    5,685.36/8,522.08 = 4,121.52/x
  3. Step 3: Cross multiply
    5,685.36x = 8,522.08 × 4,121.52
  4. Step 4: Simplify right side
    5,685.36x = 35,123,923.16
  5. Step 5: Solve for x
    x = 35,123,923.16/5,685.36
  6. Step 6: Final answer
    x = 6,177.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.