Home / 4,581.12-6,872.70-1,807.80

Finding the Fourth Proportional to 4,581.12, 6,872.70 and 1,807.80

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Solution

The fourth proportional to 4,581.12, 6,872.70 and 1,807.80 is: 2,712.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,581.12 : 6,872.70 = 1,807.80 : x
  2. Step 2: Convert to fraction form
    4,581.12/6,872.70 = 1,807.80/x
  3. Step 3: Cross multiply
    4,581.12x = 6,872.70 × 1,807.80
  4. Step 4: Simplify right side
    4,581.12x = 12,424,467.06
  5. Step 5: Solve for x
    x = 12,424,467.06/4,581.12
  6. Step 6: Final answer
    x = 2,712.10

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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.