Home / 7,521.75-11,282.60-1,899.43

Finding the Fourth Proportional to 7,521.75, 11,282.60 and 1,899.43

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Solution

The fourth proportional to 7,521.75, 11,282.60 and 1,899.43 is: 2,849.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,521.75 : 11,282.60 = 1,899.43 : x
  2. Step 2: Convert to fraction form
    7,521.75/11,282.60 = 1,899.43/x
  3. Step 3: Cross multiply
    7,521.75x = 11,282.60 × 1,899.43
  4. Step 4: Simplify right side
    7,521.75x = 21,430,485.46
  5. Step 5: Solve for x
    x = 21,430,485.46/7,521.75
  6. Step 6: Final answer
    x = 2,849.14

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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.