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Finding the Fourth Proportional to 7,283.14, 10,050.72 and 3,971.14

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Solution

The fourth proportional to 7,283.14, 10,050.72 and 3,971.14 is: 5,480.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,283.14 : 10,050.72 = 3,971.14 : x
  2. Step 2: Convert to fraction form
    7,283.14/10,050.72 = 3,971.14/x
  3. Step 3: Cross multiply
    7,283.14x = 10,050.72 × 3,971.14
  4. Step 4: Simplify right side
    7,283.14x = 39,912,816.22
  5. Step 5: Solve for x
    x = 39,912,816.22/7,283.14
  6. Step 6: Final answer
    x = 5,480.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.