Home / 5,790.68-7,989.30-3,551.48

Finding the Fourth Proportional to 5,790.68, 7,989.30 and 3,551.48

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Solution

The fourth proportional to 5,790.68, 7,989.30 and 3,551.48 is: 4,899.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,790.68 : 7,989.30 = 3,551.48 : x
  2. Step 2: Convert to fraction form
    5,790.68/7,989.30 = 3,551.48/x
  3. Step 3: Cross multiply
    5,790.68x = 7,989.30 × 3,551.48
  4. Step 4: Simplify right side
    5,790.68x = 28,373,839.16
  5. Step 5: Solve for x
    x = 28,373,839.16/5,790.68
  6. Step 6: Final answer
    x = 4,899.91

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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.