Home / 5,295.30-7,943.00-1,399.70

Finding the Fourth Proportional to 5,295.30, 7,943.00 and 1,399.70

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Solution

The fourth proportional to 5,295.30, 7,943.00 and 1,399.70 is: 2,099.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,295.30 : 7,943.00 = 1,399.70 : x
  2. Step 2: Convert to fraction form
    5,295.30/7,943.00 = 1,399.70/x
  3. Step 3: Cross multiply
    5,295.30x = 7,943.00 × 1,399.70
  4. Step 4: Simplify right side
    5,295.30x = 11,117,770.39
  5. Step 5: Solve for x
    x = 11,117,770.39/5,295.30
  6. Step 6: Final answer
    x = 2,099.55

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Similar ratio
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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.