Home / 5,980.38-8,970.20-2,231.43

Finding the Fourth Proportional to 5,980.38, 8,970.20 and 2,231.43

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Solution

The fourth proportional to 5,980.38, 8,970.20 and 2,231.43 is: 3,347.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,980.38 : 8,970.20 = 2,231.43 : x
  2. Step 2: Convert to fraction form
    5,980.38/8,970.20 = 2,231.43/x
  3. Step 3: Cross multiply
    5,980.38x = 8,970.20 × 2,231.43
  4. Step 4: Simplify right side
    5,980.38x = 20,016,328.54
  5. Step 5: Solve for x
    x = 20,016,328.54/5,980.38
  6. Step 6: Final answer
    x = 3,347.00

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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.