Home / 5,487.72-8,226.50-1,788.04

Finding the Fourth Proportional to 5,487.72, 8,226.50 and 1,788.04

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Solution

The fourth proportional to 5,487.72, 8,226.50 and 1,788.04 is: 2,680.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,487.72 : 8,226.50 = 1,788.04 : x
  2. Step 2: Convert to fraction form
    5,487.72/8,226.50 = 1,788.04/x
  3. Step 3: Cross multiply
    5,487.72x = 8,226.50 × 1,788.04
  4. Step 4: Simplify right side
    5,487.72x = 14,709,312.40
  5. Step 5: Solve for x
    x = 14,709,312.40/5,487.72
  6. Step 6: Final answer
    x = 2,680.41

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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.