Home / 7,527.75-11,292.33-1,981.14

Finding the Fourth Proportional to 7,527.75, 11,292.33 and 1,981.14

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Solution

The fourth proportional to 7,527.75, 11,292.33 and 1,981.14 is: 2,971.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,527.75 : 11,292.33 = 1,981.14 : x
  2. Step 2: Convert to fraction form
    7,527.75/11,292.33 = 1,981.14/x
  3. Step 3: Cross multiply
    7,527.75x = 11,292.33 × 1,981.14
  4. Step 4: Simplify right side
    7,527.75x = 22,371,686.66
  5. Step 5: Solve for x
    x = 22,371,686.66/7,527.75
  6. Step 6: Final answer
    x = 2,971.90

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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.