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Finding the Fourth Proportional to 8,346.44, 12,569.18 and 7,263.88

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Solution

The fourth proportional to 8,346.44, 12,569.18 and 7,263.88 is: 10,938.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,346.44 : 12,569.18 = 7,263.88 : x
  2. Step 2: Convert to fraction form
    8,346.44/12,569.18 = 7,263.88/x
  3. Step 3: Cross multiply
    8,346.44x = 12,569.18 × 7,263.88
  4. Step 4: Simplify right side
    8,346.44x = 91,300,947.48
  5. Step 5: Solve for x
    x = 91,300,947.48/8,346.44
  6. Step 6: Final answer
    x = 10,938.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.