Home / 6,900.39-10,349.13-2,220.82

Finding the Fourth Proportional to 6,900.39, 10,349.13 and 2,220.82

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Solution

The fourth proportional to 6,900.39, 10,349.13 and 2,220.82 is: 3,330.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,900.39 : 10,349.13 = 2,220.82 : x
  2. Step 2: Convert to fraction form
    6,900.39/10,349.13 = 2,220.82/x
  3. Step 3: Cross multiply
    6,900.39x = 10,349.13 × 2,220.82
  4. Step 4: Simplify right side
    6,900.39x = 22,983,537.34
  5. Step 5: Solve for x
    x = 22,983,537.34/6,900.39
  6. Step 6: Final answer
    x = 3,330.76

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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.