Home / 6,921.07-10,369.17-4,449.76

Finding the Fourth Proportional to 6,921.07, 10,369.17 and 4,449.76

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Solution

The fourth proportional to 6,921.07, 10,369.17 and 4,449.76 is: 6,666.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,921.07 : 10,369.17 = 4,449.76 : x
  2. Step 2: Convert to fraction form
    6,921.07/10,369.17 = 4,449.76/x
  3. Step 3: Cross multiply
    6,921.07x = 10,369.17 × 4,449.76
  4. Step 4: Simplify right side
    6,921.07x = 46,140,317.90
  5. Step 5: Solve for x
    x = 46,140,317.90/6,921.07
  6. Step 6: Final answer
    x = 6,666.65

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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.