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Finding the Fourth Proportional to 7,326.68, 10,990.44 and 2,396.84

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Solution

The fourth proportional to 7,326.68, 10,990.44 and 2,396.84 is: 3,595.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,326.68 : 10,990.44 = 2,396.84 : x
  2. Step 2: Convert to fraction form
    7,326.68/10,990.44 = 2,396.84/x
  3. Step 3: Cross multiply
    7,326.68x = 10,990.44 × 2,396.84
  4. Step 4: Simplify right side
    7,326.68x = 26,342,326.21
  5. Step 5: Solve for x
    x = 26,342,326.21/7,326.68
  6. Step 6: Final answer
    x = 3,595.40

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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.