Home / 5,134.18-7,085.16-2,896.05

Finding the Fourth Proportional to 5,134.18, 7,085.16 and 2,896.05

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Solution

The fourth proportional to 5,134.18, 7,085.16 and 2,896.05 is: 3,996.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134.18 : 7,085.16 = 2,896.05 : x
  2. Step 2: Convert to fraction form
    5,134.18/7,085.16 = 2,896.05/x
  3. Step 3: Cross multiply
    5,134.18x = 7,085.16 × 2,896.05
  4. Step 4: Simplify right side
    5,134.18x = 20,518,977.62
  5. Step 5: Solve for x
    x = 20,518,977.62/5,134.18
  6. Step 6: Final answer
    x = 3,996.54

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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.