Home / 5,850.60-8,070.72-3,959.70

Finding the Fourth Proportional to 5,850.60, 8,070.72 and 3,959.70

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Solution

The fourth proportional to 5,850.60, 8,070.72 and 3,959.70 is: 5,462.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,850.60 : 8,070.72 = 3,959.70 : x
  2. Step 2: Convert to fraction form
    5,850.60/8,070.72 = 3,959.70/x
  3. Step 3: Cross multiply
    5,850.60x = 8,070.72 × 3,959.70
  4. Step 4: Simplify right side
    5,850.60x = 31,957,629.98
  5. Step 5: Solve for x
    x = 31,957,629.98/5,850.60
  6. Step 6: Final answer
    x = 5,462.28

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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.