Home / 6,947.21-10,421.89-2,329.13

Finding the Fourth Proportional to 6,947.21, 10,421.89 and 2,329.13

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Solution

The fourth proportional to 6,947.21, 10,421.89 and 2,329.13 is: 3,494.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,947.21 : 10,421.89 = 2,329.13 : x
  2. Step 2: Convert to fraction form
    6,947.21/10,421.89 = 2,329.13/x
  3. Step 3: Cross multiply
    6,947.21x = 10,421.89 × 2,329.13
  4. Step 4: Simplify right side
    6,947.21x = 24,273,936.66
  5. Step 5: Solve for x
    x = 24,273,936.66/6,947.21
  6. Step 6: Final answer
    x = 3,494.06

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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.