Home / 8,158.21-11,254.19-5,089.53

Finding the Fourth Proportional to 8,158.21, 11,254.19 and 5,089.53

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Solution

The fourth proportional to 8,158.21, 11,254.19 and 5,089.53 is: 7,020.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158.21 : 11,254.19 = 5,089.53 : x
  2. Step 2: Convert to fraction form
    8,158.21/11,254.19 = 5,089.53/x
  3. Step 3: Cross multiply
    8,158.21x = 11,254.19 × 5,089.53
  4. Step 4: Simplify right side
    8,158.21x = 57,278,537.63
  5. Step 5: Solve for x
    x = 57,278,537.63/8,158.21
  6. Step 6: Final answer
    x = 7,020.97

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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.