Home / 5,070.72-7,604.82-1,951.20

Finding the Fourth Proportional to 5,070.72, 7,604.82 and 1,951.20

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Solution

The fourth proportional to 5,070.72, 7,604.82 and 1,951.20 is: 2,926.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,070.72 : 7,604.82 = 1,951.20 : x
  2. Step 2: Convert to fraction form
    5,070.72/7,604.82 = 1,951.20/x
  3. Step 3: Cross multiply
    5,070.72x = 7,604.82 × 1,951.20
  4. Step 4: Simplify right side
    5,070.72x = 14,838,524.78
  5. Step 5: Solve for x
    x = 14,838,524.78/5,070.72
  6. Step 6: Final answer
    x = 2,926.32

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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.