Home / 4,345.11-6,517.80-1,878.21

Finding the Fourth Proportional to 4,345.11, 6,517.80 and 1,878.21

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Solution

The fourth proportional to 4,345.11, 6,517.80 and 1,878.21 is: 2,817.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,345.11 : 6,517.80 = 1,878.21 : x
  2. Step 2: Convert to fraction form
    4,345.11/6,517.80 = 1,878.21/x
  3. Step 3: Cross multiply
    4,345.11x = 6,517.80 × 1,878.21
  4. Step 4: Simplify right side
    4,345.11x = 12,241,797.14
  5. Step 5: Solve for x
    x = 12,241,797.14/4,345.11
  6. Step 6: Final answer
    x = 2,817.37

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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.