Home / 5,137.84-7,090.31-2,899.77

Finding the Fourth Proportional to 5,137.84, 7,090.31 and 2,899.77

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Solution

The fourth proportional to 5,137.84, 7,090.31 and 2,899.77 is: 4,001.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,137.84 : 7,090.31 = 2,899.77 : x
  2. Step 2: Convert to fraction form
    5,137.84/7,090.31 = 2,899.77/x
  3. Step 3: Cross multiply
    5,137.84x = 7,090.31 × 2,899.77
  4. Step 4: Simplify right side
    5,137.84x = 20,560,268.23
  5. Step 5: Solve for x
    x = 20,560,268.23/5,137.84
  6. Step 6: Final answer
    x = 4,001.73

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1.5x scale

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.