Home / 5,083.36-7,014.18-2,987.88

Finding the Fourth Proportional to 5,083.36, 7,014.18 and 2,987.88

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Solution

The fourth proportional to 5,083.36, 7,014.18 and 2,987.88 is: 4,122.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,083.36 : 7,014.18 = 2,987.88 : x
  2. Step 2: Convert to fraction form
    5,083.36/7,014.18 = 2,987.88/x
  3. Step 3: Cross multiply
    5,083.36x = 7,014.18 × 2,987.88
  4. Step 4: Simplify right side
    5,083.36x = 20,957,528.14
  5. Step 5: Solve for x
    x = 20,957,528.14/5,083.36
  6. Step 6: Final answer
    x = 4,122.77

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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.