Home / 7,799.60-11,699.28-5,294.56

Finding the Fourth Proportional to 7,799.60, 11,699.28 and 5,294.56

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Solution

The fourth proportional to 7,799.60, 11,699.28 and 5,294.56 is: 7,941.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,799.60 : 11,699.28 = 5,294.56 : x
  2. Step 2: Convert to fraction form
    7,799.60/11,699.28 = 5,294.56/x
  3. Step 3: Cross multiply
    7,799.60x = 11,699.28 × 5,294.56
  4. Step 4: Simplify right side
    7,799.60x = 61,942,539.92
  5. Step 5: Solve for x
    x = 61,942,539.92/7,799.60
  6. Step 6: Final answer
    x = 7,941.76

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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.