Home / 4,955.12-7,432.80-1,993.87

Finding the Fourth Proportional to 4,955.12, 7,432.80 and 1,993.87

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Solution

The fourth proportional to 4,955.12, 7,432.80 and 1,993.87 is: 2,990.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,955.12 : 7,432.80 = 1,993.87 : x
  2. Step 2: Convert to fraction form
    4,955.12/7,432.80 = 1,993.87/x
  3. Step 3: Cross multiply
    4,955.12x = 7,432.80 × 1,993.87
  4. Step 4: Simplify right side
    4,955.12x = 14,819,996.94
  5. Step 5: Solve for x
    x = 14,819,996.94/4,955.12
  6. Step 6: Final answer
    x = 2,990.84

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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.