Home / 7,743.12-11,603.12-6,625.92

Finding the Fourth Proportional to 7,743.12, 11,603.12 and 6,625.92

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Solution

The fourth proportional to 7,743.12, 11,603.12 and 6,625.92 is: 9,928.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,743.12 : 11,603.12 = 6,625.92 : x
  2. Step 2: Convert to fraction form
    7,743.12/11,603.12 = 6,625.92/x
  3. Step 3: Cross multiply
    7,743.12x = 11,603.12 × 6,625.92
  4. Step 4: Simplify right side
    7,743.12x = 76,881,344.87
  5. Step 5: Solve for x
    x = 76,881,344.87/7,743.12
  6. Step 6: Final answer
    x = 9,928.99

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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.