Home / 6,384.68-9,577.74-2,921

Finding the Fourth Proportional to 6,384.68, 9,577.74 and 2,921

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Solution

The fourth proportional to 6,384.68, 9,577.74 and 2,921 is: 4,381.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,384.68 : 9,577.74 = 2,921 : x
  2. Step 2: Convert to fraction form
    6,384.68/9,577.74 = 2,921/x
  3. Step 3: Cross multiply
    6,384.68x = 9,577.74 × 2,921
  4. Step 4: Simplify right side
    6,384.68x = 27,976,578.54
  5. Step 5: Solve for x
    x = 27,976,578.54/6,384.68
  6. Step 6: Final answer
    x = 4,381.83

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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.