Home / 7,835.87-11,753.81-2,899.73

Finding the Fourth Proportional to 7,835.87, 11,753.81 and 2,899.73

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Solution

The fourth proportional to 7,835.87, 11,753.81 and 2,899.73 is: 4,349.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,835.87 : 11,753.81 = 2,899.73 : x
  2. Step 2: Convert to fraction form
    7,835.87/11,753.81 = 2,899.73/x
  3. Step 3: Cross multiply
    7,835.87x = 11,753.81 × 2,899.73
  4. Step 4: Simplify right side
    7,835.87x = 34,082,875.47
  5. Step 5: Solve for x
    x = 34,082,875.47/7,835.87
  6. Step 6: Final answer
    x = 4,349.60

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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.