Home / 6,808.24-10,212.41-1,878.15

Finding the Fourth Proportional to 6,808.24, 10,212.41 and 1,878.15

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Solution

The fourth proportional to 6,808.24, 10,212.41 and 1,878.15 is: 2,817.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,808.24 : 10,212.41 = 1,878.15 : x
  2. Step 2: Convert to fraction form
    6,808.24/10,212.41 = 1,878.15/x
  3. Step 3: Cross multiply
    6,808.24x = 10,212.41 × 1,878.15
  4. Step 4: Simplify right side
    6,808.24x = 19,180,437.84
  5. Step 5: Solve for x
    x = 19,180,437.84/6,808.24
  6. Step 6: Final answer
    x = 2,817.24

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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.