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Finding the Fourth Proportional to 7,197.71, 10,797.80 and 3,302.45

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Solution

The fourth proportional to 7,197.71, 10,797.80 and 3,302.45 is: 4,954.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,197.71 : 10,797.80 = 3,302.45 : x
  2. Step 2: Convert to fraction form
    7,197.71/10,797.80 = 3,302.45/x
  3. Step 3: Cross multiply
    7,197.71x = 10,797.80 × 3,302.45
  4. Step 4: Simplify right side
    7,197.71x = 35,659,178.10
  5. Step 5: Solve for x
    x = 35,659,178.10/7,197.71
  6. Step 6: Final answer
    x = 4,954.24

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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.