Home / 4,671.88-6,446.01-3,181.31

Finding the Fourth Proportional to 4,671.88, 6,446.01 and 3,181.31

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Solution

The fourth proportional to 4,671.88, 6,446.01 and 3,181.31 is: 4,389.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,671.88 : 6,446.01 = 3,181.31 : x
  2. Step 2: Convert to fraction form
    4,671.88/6,446.01 = 3,181.31/x
  3. Step 3: Cross multiply
    4,671.88x = 6,446.01 × 3,181.31
  4. Step 4: Simplify right side
    4,671.88x = 20,506,759.95
  5. Step 5: Solve for x
    x = 20,506,759.95/4,671.88
  6. Step 6: Final answer
    x = 4,389.40

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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.