Home / 6,696.12-9,240.42-3,712.04

Finding the Fourth Proportional to 6,696.12, 9,240.42 and 3,712.04

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Solution

The fourth proportional to 6,696.12, 9,240.42 and 3,712.04 is: 5,122.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,696.12 : 9,240.42 = 3,712.04 : x
  2. Step 2: Convert to fraction form
    6,696.12/9,240.42 = 3,712.04/x
  3. Step 3: Cross multiply
    6,696.12x = 9,240.42 × 3,712.04
  4. Step 4: Simplify right side
    6,696.12x = 34,300,808.66
  5. Step 5: Solve for x
    x = 34,300,808.66/6,696.12
  6. Step 6: Final answer
    x = 5,122.49

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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.