Home / 5,137.95-7,090.35-2,899.81

Finding the Fourth Proportional to 5,137.95, 7,090.35 and 2,899.81

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Solution

The fourth proportional to 5,137.95, 7,090.35 and 2,899.81 is: 4,001.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,137.95 : 7,090.35 = 2,899.81 : x
  2. Step 2: Convert to fraction form
    5,137.95/7,090.35 = 2,899.81/x
  3. Step 3: Cross multiply
    5,137.95x = 7,090.35 × 2,899.81
  4. Step 4: Simplify right side
    5,137.95x = 20,560,667.83
  5. Step 5: Solve for x
    x = 20,560,667.83/5,137.95
  6. Step 6: Final answer
    x = 4,001.73

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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.