Home / 7,708.88-11,557.56-3,603.92

Finding the Fourth Proportional to 7,708.88, 11,557.56 and 3,603.92

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Solution

The fourth proportional to 7,708.88, 11,557.56 and 3,603.92 is: 5,403.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,708.88 : 11,557.56 = 3,603.92 : x
  2. Step 2: Convert to fraction form
    7,708.88/11,557.56 = 3,603.92/x
  3. Step 3: Cross multiply
    7,708.88x = 11,557.56 × 3,603.92
  4. Step 4: Simplify right side
    7,708.88x = 41,652,521.64
  5. Step 5: Solve for x
    x = 41,652,521.64/7,708.88
  6. Step 6: Final answer
    x = 5,403.19

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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.