Home / 5,640.62-8,444.73-4,247.42

Finding the Fourth Proportional to 5,640.62, 8,444.73 and 4,247.42

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Solution

The fourth proportional to 5,640.62, 8,444.73 and 4,247.42 is: 6,358.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,640.62 : 8,444.73 = 4,247.42 : x
  2. Step 2: Convert to fraction form
    5,640.62/8,444.73 = 4,247.42/x
  3. Step 3: Cross multiply
    5,640.62x = 8,444.73 × 4,247.42
  4. Step 4: Simplify right side
    5,640.62x = 35,868,315.10
  5. Step 5: Solve for x
    x = 35,868,315.10/5,640.62
  6. Step 6: Final answer
    x = 6,358.93

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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.