Home / 5,790.34-7,990.61-3,272.40

Finding the Fourth Proportional to 5,790.34, 7,990.61 and 3,272.40

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Solution

The fourth proportional to 5,790.34, 7,990.61 and 3,272.40 is: 4,515.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,790.34 : 7,990.61 = 3,272.40 : x
  2. Step 2: Convert to fraction form
    5,790.34/7,990.61 = 3,272.40/x
  3. Step 3: Cross multiply
    5,790.34x = 7,990.61 × 3,272.40
  4. Step 4: Simplify right side
    5,790.34x = 26,148,480.35
  5. Step 5: Solve for x
    x = 26,148,480.35/5,790.34
  6. Step 6: Final answer
    x = 4,515.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.