Home / 7,908.21-11,868.17-3,748.22

Finding the Fourth Proportional to 7,908.21, 11,868.17 and 3,748.22

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Solution

The fourth proportional to 7,908.21, 11,868.17 and 3,748.22 is: 5,625.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,908.21 : 11,868.17 = 3,748.22 : x
  2. Step 2: Convert to fraction form
    7,908.21/11,868.17 = 3,748.22/x
  3. Step 3: Cross multiply
    7,908.21x = 11,868.17 × 3,748.22
  4. Step 4: Simplify right side
    7,908.21x = 44,484,566.42
  5. Step 5: Solve for x
    x = 44,484,566.42/7,908.21
  6. Step 6: Final answer
    x = 5,625.11

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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.