Home / 4,253.76-6,386.67-2,408.49

Finding the Fourth Proportional to 4,253.76, 6,386.67 and 2,408.49

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Solution

The fourth proportional to 4,253.76, 6,386.67 and 2,408.49 is: 3,616.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.76 : 6,386.67 = 2,408.49 : x
  2. Step 2: Convert to fraction form
    4,253.76/6,386.67 = 2,408.49/x
  3. Step 3: Cross multiply
    4,253.76x = 6,386.67 × 2,408.49
  4. Step 4: Simplify right side
    4,253.76x = 15,382,230.83
  5. Step 5: Solve for x
    x = 15,382,230.83/4,253.76
  6. Step 6: Final answer
    x = 3,616.15

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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.