Home / 5,167.26-7,130.34-2,898.56

Finding the Fourth Proportional to 5,167.26, 7,130.34 and 2,898.56

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Solution

The fourth proportional to 5,167.26, 7,130.34 and 2,898.56 is: 3,999.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,167.26 : 7,130.34 = 2,898.56 : x
  2. Step 2: Convert to fraction form
    5,167.26/7,130.34 = 2,898.56/x
  3. Step 3: Cross multiply
    5,167.26x = 7,130.34 × 2,898.56
  4. Step 4: Simplify right side
    5,167.26x = 20,667,682.66
  5. Step 5: Solve for x
    x = 20,667,682.66/5,167.26
  6. Step 6: Final answer
    x = 3,999.74

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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.