Home / 5,110.71-7,666.05-1,412.93

Finding the Fourth Proportional to 5,110.71, 7,666.05 and 1,412.93

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Solution

The fourth proportional to 5,110.71, 7,666.05 and 1,412.93 is: 2,119.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.71 : 7,666.05 = 1,412.93 : x
  2. Step 2: Convert to fraction form
    5,110.71/7,666.05 = 1,412.93/x
  3. Step 3: Cross multiply
    5,110.71x = 7,666.05 × 1,412.93
  4. Step 4: Simplify right side
    5,110.71x = 10,831,592.03
  5. Step 5: Solve for x
    x = 10,831,592.03/5,110.71
  6. Step 6: Final answer
    x = 2,119.39

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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.