Home / 5,070.80-6,997.98-2,974.92

Finding the Fourth Proportional to 5,070.80, 6,997.98 and 2,974.92

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Solution

The fourth proportional to 5,070.80, 6,997.98 and 2,974.92 is: 4,105.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,070.80 : 6,997.98 = 2,974.92 : x
  2. Step 2: Convert to fraction form
    5,070.80/6,997.98 = 2,974.92/x
  3. Step 3: Cross multiply
    5,070.80x = 6,997.98 × 2,974.92
  4. Step 4: Simplify right side
    5,070.80x = 20,818,430.66
  5. Step 5: Solve for x
    x = 20,818,430.66/5,070.80
  6. Step 6: Final answer
    x = 4,105.56

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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.