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Finding the Fourth Proportional to 6,603.84, 9,111.52 and 3,950.08

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Solution

The fourth proportional to 6,603.84, 9,111.52 and 3,950.08 is: 5,450.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,603.84 : 9,111.52 = 3,950.08 : x
  2. Step 2: Convert to fraction form
    6,603.84/9,111.52 = 3,950.08/x
  3. Step 3: Cross multiply
    6,603.84x = 9,111.52 × 3,950.08
  4. Step 4: Simplify right side
    6,603.84x = 35,991,232.92
  5. Step 5: Solve for x
    x = 35,991,232.92/6,603.84
  6. Step 6: Final answer
    x = 5,450.05

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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.