Home / 6,904.55-10,356.83-1,974.20

Finding the Fourth Proportional to 6,904.55, 10,356.83 and 1,974.20

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Solution

The fourth proportional to 6,904.55, 10,356.83 and 1,974.20 is: 2,961.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,904.55 : 10,356.83 = 1,974.20 : x
  2. Step 2: Convert to fraction form
    6,904.55/10,356.83 = 1,974.20/x
  3. Step 3: Cross multiply
    6,904.55x = 10,356.83 × 1,974.20
  4. Step 4: Simplify right side
    6,904.55x = 20,446,392.13
  5. Step 5: Solve for x
    x = 20,446,392.13/6,904.55
  6. Step 6: Final answer
    x = 2,961.29

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.