Home / 5,126.58-7,689.84-2,933.76

Finding the Fourth Proportional to 5,126.58, 7,689.84 and 2,933.76

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Solution

The fourth proportional to 5,126.58, 7,689.84 and 2,933.76 is: 4,400.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126.58 : 7,689.84 = 2,933.76 : x
  2. Step 2: Convert to fraction form
    5,126.58/7,689.84 = 2,933.76/x
  3. Step 3: Cross multiply
    5,126.58x = 7,689.84 × 2,933.76
  4. Step 4: Simplify right side
    5,126.58x = 22,560,145.00
  5. Step 5: Solve for x
    x = 22,560,145.00/5,126.58
  6. Step 6: Final answer
    x = 4,400.62

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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.