Home / 7,034.84-9,707.40-3,890.96

Finding the Fourth Proportional to 7,034.84, 9,707.40 and 3,890.96

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Solution

The fourth proportional to 7,034.84, 9,707.40 and 3,890.96 is: 5,369.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,034.84 : 9,707.40 = 3,890.96 : x
  2. Step 2: Convert to fraction form
    7,034.84/9,707.40 = 3,890.96/x
  3. Step 3: Cross multiply
    7,034.84x = 9,707.40 × 3,890.96
  4. Step 4: Simplify right side
    7,034.84x = 37,771,105.10
  5. Step 5: Solve for x
    x = 37,771,105.10/7,034.84
  6. Step 6: Final answer
    x = 5,369.15

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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.