Home / 7,938.68-11,926.26-5,604.08

Finding the Fourth Proportional to 7,938.68, 11,926.26 and 5,604.08

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Solution

The fourth proportional to 7,938.68, 11,926.26 and 5,604.08 is: 8,419.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938.68 : 11,926.26 = 5,604.08 : x
  2. Step 2: Convert to fraction form
    7,938.68/11,926.26 = 5,604.08/x
  3. Step 3: Cross multiply
    7,938.68x = 11,926.26 × 5,604.08
  4. Step 4: Simplify right side
    7,938.68x = 66,835,715.14
  5. Step 5: Solve for x
    x = 66,835,715.14/7,938.68
  6. Step 6: Final answer
    x = 8,419.00

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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.