Home / 6,712.92-9,263.25-3,728.70

Finding the Fourth Proportional to 6,712.92, 9,263.25 and 3,728.70

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Solution

The fourth proportional to 6,712.92, 9,263.25 and 3,728.70 is: 5,145.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,712.92 : 9,263.25 = 3,728.70 : x
  2. Step 2: Convert to fraction form
    6,712.92/9,263.25 = 3,728.70/x
  3. Step 3: Cross multiply
    6,712.92x = 9,263.25 × 3,728.70
  4. Step 4: Simplify right side
    6,712.92x = 34,539,880.28
  5. Step 5: Solve for x
    x = 34,539,880.28/6,712.92
  6. Step 6: Final answer
    x = 5,145.28

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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.