Home / 5,110.18-7,665.11-1,412.63

Finding the Fourth Proportional to 5,110.18, 7,665.11 and 1,412.63

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Solution

The fourth proportional to 5,110.18, 7,665.11 and 1,412.63 is: 2,118.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.18 : 7,665.11 = 1,412.63 : x
  2. Step 2: Convert to fraction form
    5,110.18/7,665.11 = 1,412.63/x
  3. Step 3: Cross multiply
    5,110.18x = 7,665.11 × 1,412.63
  4. Step 4: Simplify right side
    5,110.18x = 10,827,964.34
  5. Step 5: Solve for x
    x = 10,827,964.34/5,110.18
  6. Step 6: Final answer
    x = 2,118.90

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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.