Home / 4,427.92-6,589.60-4,280.27

Finding the Fourth Proportional to 4,427.92, 6,589.60 and 4,280.27

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Solution

The fourth proportional to 4,427.92, 6,589.60 and 4,280.27 is: 6,369.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,427.92 : 6,589.60 = 4,280.27 : x
  2. Step 2: Convert to fraction form
    4,427.92/6,589.60 = 4,280.27/x
  3. Step 3: Cross multiply
    4,427.92x = 6,589.60 × 4,280.27
  4. Step 4: Simplify right side
    4,427.92x = 28,205,267.19
  5. Step 5: Solve for x
    x = 28,205,267.19/4,427.92
  6. Step 6: Final answer
    x = 6,369.88

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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.