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Finding the Fourth Proportional to 7,797.25, 11,695.88 and 2,603.53

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Solution

The fourth proportional to 7,797.25, 11,695.88 and 2,603.53 is: 3,905.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,797.25 : 11,695.88 = 2,603.53 : x
  2. Step 2: Convert to fraction form
    7,797.25/11,695.88 = 2,603.53/x
  3. Step 3: Cross multiply
    7,797.25x = 11,695.88 × 2,603.53
  4. Step 4: Simplify right side
    7,797.25x = 30,450,574.46
  5. Step 5: Solve for x
    x = 30,450,574.46/7,797.25
  6. Step 6: Final answer
    x = 3,905.30

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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.