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Finding the Fourth Proportional to 8,812.92, 13,219.56 and 2,573.40

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Solution

The fourth proportional to 8,812.92, 13,219.56 and 2,573.40 is: 3,860.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,812.92 : 13,219.56 = 2,573.40 : x
  2. Step 2: Convert to fraction form
    8,812.92/13,219.56 = 2,573.40/x
  3. Step 3: Cross multiply
    8,812.92x = 13,219.56 × 2,573.40
  4. Step 4: Simplify right side
    8,812.92x = 34,019,215.70
  5. Step 5: Solve for x
    x = 34,019,215.70/8,812.92
  6. Step 6: Final answer
    x = 3,860.15

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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.