Home / 7,034.30-9,707.37-3,890.51

Finding the Fourth Proportional to 7,034.30, 9,707.37 and 3,890.51

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Solution

The fourth proportional to 7,034.30, 9,707.37 and 3,890.51 is: 5,368.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,034.30 : 9,707.37 = 3,890.51 : x
  2. Step 2: Convert to fraction form
    7,034.30/9,707.37 = 3,890.51/x
  3. Step 3: Cross multiply
    7,034.30x = 9,707.37 × 3,890.51
  4. Step 4: Simplify right side
    7,034.30x = 37,766,620.06
  5. Step 5: Solve for x
    x = 37,766,620.06/7,034.30
  6. Step 6: Final answer
    x = 5,368.92

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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.