Home / 5,137.23-7,089.38-2,899.58

Finding the Fourth Proportional to 5,137.23, 7,089.38 and 2,899.58

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Solution

The fourth proportional to 5,137.23, 7,089.38 and 2,899.58 is: 4,001.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,137.23 : 7,089.38 = 2,899.58 : x
  2. Step 2: Convert to fraction form
    5,137.23/7,089.38 = 2,899.58/x
  3. Step 3: Cross multiply
    5,137.23x = 7,089.38 × 2,899.58
  4. Step 4: Simplify right side
    5,137.23x = 20,556,174.52
  5. Step 5: Solve for x
    x = 20,556,174.52/5,137.23
  6. Step 6: Final answer
    x = 4,001.41

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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.