Home / 4,242.60-6,363.90-1,776.76

Finding the Fourth Proportional to 4,242.60, 6,363.90 and 1,776.76

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Solution

The fourth proportional to 4,242.60, 6,363.90 and 1,776.76 is: 2,665.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,242.60 : 6,363.90 = 1,776.76 : x
  2. Step 2: Convert to fraction form
    4,242.60/6,363.90 = 1,776.76/x
  3. Step 3: Cross multiply
    4,242.60x = 6,363.90 × 1,776.76
  4. Step 4: Simplify right side
    4,242.60x = 11,307,107.05
  5. Step 5: Solve for x
    x = 11,307,107.05/4,242.60
  6. Step 6: Final answer
    x = 2,665.14

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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.