Home / 7,707.28-11,561.68-3,548.48

Finding the Fourth Proportional to 7,707.28, 11,561.68 and 3,548.48

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Solution

The fourth proportional to 7,707.28, 11,561.68 and 3,548.48 is: 5,323.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,707.28 : 11,561.68 = 3,548.48 : x
  2. Step 2: Convert to fraction form
    7,707.28/11,561.68 = 3,548.48/x
  3. Step 3: Cross multiply
    7,707.28x = 11,561.68 × 3,548.48
  4. Step 4: Simplify right side
    7,707.28x = 41,026,390.25
  5. Step 5: Solve for x
    x = 41,026,390.25/7,707.28
  6. Step 6: Final answer
    x = 5,323.07

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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.