Home / 7,034.19-9,707.07-3,847.56

Finding the Fourth Proportional to 7,034.19, 9,707.07 and 3,847.56

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Solution

The fourth proportional to 7,034.19, 9,707.07 and 3,847.56 is: 5,309.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,034.19 : 9,707.07 = 3,847.56 : x
  2. Step 2: Convert to fraction form
    7,034.19/9,707.07 = 3,847.56/x
  3. Step 3: Cross multiply
    7,034.19x = 9,707.07 × 3,847.56
  4. Step 4: Simplify right side
    7,034.19x = 37,348,534.25
  5. Step 5: Solve for x
    x = 37,348,534.25/7,034.19
  6. Step 6: Final answer
    x = 5,309.57

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1.5x scale

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.