Home / 5,110.29-7,050.65-2,871.86

Finding the Fourth Proportional to 5,110.29, 7,050.65 and 2,871.86

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Solution

The fourth proportional to 5,110.29, 7,050.65 and 2,871.86 is: 3,962.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.29 : 7,050.65 = 2,871.86 : x
  2. Step 2: Convert to fraction form
    5,110.29/7,050.65 = 2,871.86/x
  3. Step 3: Cross multiply
    5,110.29x = 7,050.65 × 2,871.86
  4. Step 4: Simplify right side
    5,110.29x = 20,248,430.10
  5. Step 5: Solve for x
    x = 20,248,430.10/5,110.29
  6. Step 6: Final answer
    x = 3,962.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.