Home / 4,642.42-6,404.39-3,381.46

Finding the Fourth Proportional to 4,642.42, 6,404.39 and 3,381.46

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Solution

The fourth proportional to 4,642.42, 6,404.39 and 3,381.46 is: 4,664.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,642.42 : 6,404.39 = 3,381.46 : x
  2. Step 2: Convert to fraction form
    4,642.42/6,404.39 = 3,381.46/x
  3. Step 3: Cross multiply
    4,642.42x = 6,404.39 × 3,381.46
  4. Step 4: Simplify right side
    4,642.42x = 21,656,188.61
  5. Step 5: Solve for x
    x = 21,656,188.61/4,642.42
  6. Step 6: Final answer
    x = 4,664.85

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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.