Home / 5,626.32-8,389.85-5,350.42

Finding the Fourth Proportional to 5,626.32, 8,389.85 and 5,350.42

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Solution

The fourth proportional to 5,626.32, 8,389.85 and 5,350.42 is: 7,978.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,626.32 : 8,389.85 = 5,350.42 : x
  2. Step 2: Convert to fraction form
    5,626.32/8,389.85 = 5,350.42/x
  3. Step 3: Cross multiply
    5,626.32x = 8,389.85 × 5,350.42
  4. Step 4: Simplify right side
    5,626.32x = 44,889,221.24
  5. Step 5: Solve for x
    x = 44,889,221.24/5,626.32
  6. Step 6: Final answer
    x = 7,978.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.