Home / 4,794.20-7,191.30-1,331.45

Finding the Fourth Proportional to 4,794.20, 7,191.30 and 1,331.45

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Solution

The fourth proportional to 4,794.20, 7,191.30 and 1,331.45 is: 1,997.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,794.20 : 7,191.30 = 1,331.45 : x
  2. Step 2: Convert to fraction form
    4,794.20/7,191.30 = 1,331.45/x
  3. Step 3: Cross multiply
    4,794.20x = 7,191.30 × 1,331.45
  4. Step 4: Simplify right side
    4,794.20x = 9,574,856.39
  5. Step 5: Solve for x
    x = 9,574,856.39/4,794.20
  6. Step 6: Final answer
    x = 1,997.18

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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.