Home / 4,641.42-6,397.70-3,631.43

Finding the Fourth Proportional to 4,641.42, 6,397.70 and 3,631.43

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Solution

The fourth proportional to 4,641.42, 6,397.70 and 3,631.43 is: 5,005.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,641.42 : 6,397.70 = 3,631.43 : x
  2. Step 2: Convert to fraction form
    4,641.42/6,397.70 = 3,631.43/x
  3. Step 3: Cross multiply
    4,641.42x = 6,397.70 × 3,631.43
  4. Step 4: Simplify right side
    4,641.42x = 23,232,799.71
  5. Step 5: Solve for x
    x = 23,232,799.71/4,641.42
  6. Step 6: Final answer
    x = 5,005.53

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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.