Home / 6,712.45-9,263.19-3,728.20

Finding the Fourth Proportional to 6,712.45, 9,263.19 and 3,728.20

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Solution

The fourth proportional to 6,712.45, 9,263.19 and 3,728.20 is: 5,144.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,712.45 : 9,263.19 = 3,728.20 : x
  2. Step 2: Convert to fraction form
    6,712.45/9,263.19 = 3,728.20/x
  3. Step 3: Cross multiply
    6,712.45x = 9,263.19 × 3,728.20
  4. Step 4: Simplify right side
    6,712.45x = 34,535,006.32
  5. Step 5: Solve for x
    x = 34,535,006.32/6,712.45
  6. Step 6: Final answer
    x = 5,144.92

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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.