Home / 6,905.49-10,359.85-1,974.99

Finding the Fourth Proportional to 6,905.49, 10,359.85 and 1,974.99

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Solution

The fourth proportional to 6,905.49, 10,359.85 and 1,974.99 is: 2,962.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,905.49 : 10,359.85 = 1,974.99 : x
  2. Step 2: Convert to fraction form
    6,905.49/10,359.85 = 1,974.99/x
  3. Step 3: Cross multiply
    6,905.49x = 10,359.85 × 1,974.99
  4. Step 4: Simplify right side
    6,905.49x = 20,460,600.15
  5. Step 5: Solve for x
    x = 20,460,600.15/6,905.49
  6. Step 6: Final answer
    x = 2,962.95

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Half scale
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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.