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Finding the Fourth Proportional to 7,309.71, 10,965.63 and 2,310.39

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Solution

The fourth proportional to 7,309.71, 10,965.63 and 2,310.39 is: 3,465.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,309.71 : 10,965.63 = 2,310.39 : x
  2. Step 2: Convert to fraction form
    7,309.71/10,965.63 = 2,310.39/x
  3. Step 3: Cross multiply
    7,309.71x = 10,965.63 × 2,310.39
  4. Step 4: Simplify right side
    7,309.71x = 25,334,881.90
  5. Step 5: Solve for x
    x = 25,334,881.90/7,309.71
  6. Step 6: Final answer
    x = 3,465.92

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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.