Home / 6,824.61-9,417.44-3,839.87

Finding the Fourth Proportional to 6,824.61, 9,417.44 and 3,839.87

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Solution

The fourth proportional to 6,824.61, 9,417.44 and 3,839.87 is: 5,298.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,824.61 : 9,417.44 = 3,839.87 : x
  2. Step 2: Convert to fraction form
    6,824.61/9,417.44 = 3,839.87/x
  3. Step 3: Cross multiply
    6,824.61x = 9,417.44 × 3,839.87
  4. Step 4: Simplify right side
    6,824.61x = 36,161,679.05
  5. Step 5: Solve for x
    x = 36,161,679.05/6,824.61
  6. Step 6: Final answer
    x = 5,298.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.