Home / 5,329.70-7,994.40-1,631.95

Finding the Fourth Proportional to 5,329.70, 7,994.40 and 1,631.95

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Solution

The fourth proportional to 5,329.70, 7,994.40 and 1,631.95 is: 2,447.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,329.70 : 7,994.40 = 1,631.95 : x
  2. Step 2: Convert to fraction form
    5,329.70/7,994.40 = 1,631.95/x
  3. Step 3: Cross multiply
    5,329.70x = 7,994.40 × 1,631.95
  4. Step 4: Simplify right side
    5,329.70x = 13,046,434.97
  5. Step 5: Solve for x
    x = 13,046,434.97/5,329.70
  6. Step 6: Final answer
    x = 2,447.87

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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.