Home / 4,391.20-6,555.49-4,237.39

Finding the Fourth Proportional to 4,391.20, 6,555.49 and 4,237.39

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Solution

The fourth proportional to 4,391.20, 6,555.49 and 4,237.39 is: 6,325.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,391.20 : 6,555.49 = 4,237.39 : x
  2. Step 2: Convert to fraction form
    4,391.20/6,555.49 = 4,237.39/x
  3. Step 3: Cross multiply
    4,391.20x = 6,555.49 × 4,237.39
  4. Step 4: Simplify right side
    4,391.20x = 27,778,134.99
  5. Step 5: Solve for x
    x = 27,778,134.99/4,391.20
  6. Step 6: Final answer
    x = 6,325.87

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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.