Home / 5,785.58-7,984.08-3,132.98

Finding the Fourth Proportional to 5,785.58, 7,984.08 and 3,132.98

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Solution

The fourth proportional to 5,785.58, 7,984.08 and 3,132.98 is: 4,323.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,785.58 : 7,984.08 = 3,132.98 : x
  2. Step 2: Convert to fraction form
    5,785.58/7,984.08 = 3,132.98/x
  3. Step 3: Cross multiply
    5,785.58x = 7,984.08 × 3,132.98
  4. Step 4: Simplify right side
    5,785.58x = 25,013,982.92
  5. Step 5: Solve for x
    x = 25,013,982.92/5,785.58
  6. Step 6: Final answer
    x = 4,323.51

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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.