Home / 7,029.16-9,700.82-3,885.96

Finding the Fourth Proportional to 7,029.16, 9,700.82 and 3,885.96

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Solution

The fourth proportional to 7,029.16, 9,700.82 and 3,885.96 is: 5,362.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,029.16 : 9,700.82 = 3,885.96 : x
  2. Step 2: Convert to fraction form
    7,029.16/9,700.82 = 3,885.96/x
  3. Step 3: Cross multiply
    7,029.16x = 9,700.82 × 3,885.96
  4. Step 4: Simplify right side
    7,029.16x = 37,696,998.49
  5. Step 5: Solve for x
    x = 37,696,998.49/7,029.16
  6. Step 6: Final answer
    x = 5,362.95

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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.