Home / 5,085.14-7,017.49-2,847.02

Finding the Fourth Proportional to 5,085.14, 7,017.49 and 2,847.02

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Solution

The fourth proportional to 5,085.14, 7,017.49 and 2,847.02 is: 3,928.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,085.14 : 7,017.49 = 2,847.02 : x
  2. Step 2: Convert to fraction form
    5,085.14/7,017.49 = 2,847.02/x
  3. Step 3: Cross multiply
    5,085.14x = 7,017.49 × 2,847.02
  4. Step 4: Simplify right side
    5,085.14x = 19,978,899.29
  5. Step 5: Solve for x
    x = 19,978,899.29/5,085.14
  6. Step 6: Final answer
    x = 3,928.88

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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.