Home / 7,808.06-11,709.68-4,108.28

Finding the Fourth Proportional to 7,808.06, 11,709.68 and 4,108.28

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Solution

The fourth proportional to 7,808.06, 11,709.68 and 4,108.28 is: 6,161.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,808.06 : 11,709.68 = 4,108.28 : x
  2. Step 2: Convert to fraction form
    7,808.06/11,709.68 = 4,108.28/x
  3. Step 3: Cross multiply
    7,808.06x = 11,709.68 × 4,108.28
  4. Step 4: Simplify right side
    7,808.06x = 48,106,644.15
  5. Step 5: Solve for x
    x = 48,106,644.15/7,808.06
  6. Step 6: Final answer
    x = 6,161.15

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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.