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Finding the Fourth Proportional to 7,908.84, 11,862.98 and 3,750.84

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Solution

The fourth proportional to 7,908.84, 11,862.98 and 3,750.84 is: 5,626.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,908.84 : 11,862.98 = 3,750.84 : x
  2. Step 2: Convert to fraction form
    7,908.84/11,862.98 = 3,750.84/x
  3. Step 3: Cross multiply
    7,908.84x = 11,862.98 × 3,750.84
  4. Step 4: Simplify right side
    7,908.84x = 44,496,139.90
  5. Step 5: Solve for x
    x = 44,496,139.90/7,908.84
  6. Step 6: Final answer
    x = 5,626.13

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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.