Home / 4,642.63-6,408.28-3,132.38

Finding the Fourth Proportional to 4,642.63, 6,408.28 and 3,132.38

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Solution

The fourth proportional to 4,642.63, 6,408.28 and 3,132.38 is: 4,323.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,642.63 : 6,408.28 = 3,132.38 : x
  2. Step 2: Convert to fraction form
    4,642.63/6,408.28 = 3,132.38/x
  3. Step 3: Cross multiply
    4,642.63x = 6,408.28 × 3,132.38
  4. Step 4: Simplify right side
    4,642.63x = 20,073,168.11
  5. Step 5: Solve for x
    x = 20,073,168.11/4,642.63
  6. Step 6: Final answer
    x = 4,323.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.