Home / 5,137.38-7,090.02-2,899.26

Finding the Fourth Proportional to 5,137.38, 7,090.02 and 2,899.26

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Solution

The fourth proportional to 5,137.38, 7,090.02 and 2,899.26 is: 4,001.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,137.38 : 7,090.02 = 2,899.26 : x
  2. Step 2: Convert to fraction form
    5,137.38/7,090.02 = 2,899.26/x
  3. Step 3: Cross multiply
    5,137.38x = 7,090.02 × 2,899.26
  4. Step 4: Simplify right side
    5,137.38x = 20,555,811.39
  5. Step 5: Solve for x
    x = 20,555,811.39/5,137.38
  6. Step 6: Final answer
    x = 4,001.22

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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.