Home / 5,790.09-7,990.29-3,137.49

Finding the Fourth Proportional to 5,790.09, 7,990.29 and 3,137.49

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Solution

The fourth proportional to 5,790.09, 7,990.29 and 3,137.49 is: 4,329.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,790.09 : 7,990.29 = 3,137.49 : x
  2. Step 2: Convert to fraction form
    5,790.09/7,990.29 = 3,137.49/x
  3. Step 3: Cross multiply
    5,790.09x = 7,990.29 × 3,137.49
  4. Step 4: Simplify right side
    5,790.09x = 25,069,454.97
  5. Step 5: Solve for x
    x = 25,069,454.97/5,790.09
  6. Step 6: Final answer
    x = 4,329.72

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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.