Home / 8,454.90-12,693.82-4,759.70

Finding the Fourth Proportional to 8,454.90, 12,693.82 and 4,759.70

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Solution

The fourth proportional to 8,454.90, 12,693.82 and 4,759.70 is: 7,146.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,454.90 : 12,693.82 = 4,759.70 : x
  2. Step 2: Convert to fraction form
    8,454.90/12,693.82 = 4,759.70/x
  3. Step 3: Cross multiply
    8,454.90x = 12,693.82 × 4,759.70
  4. Step 4: Simplify right side
    8,454.90x = 60,418,775.05
  5. Step 5: Solve for x
    x = 60,418,775.05/8,454.90
  6. Step 6: Final answer
    x = 7,146.01

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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.