Home / 5,014.26-6,919.43-2,890.13

Finding the Fourth Proportional to 5,014.26, 6,919.43 and 2,890.13

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Solution

The fourth proportional to 5,014.26, 6,919.43 and 2,890.13 is: 3,988.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,014.26 : 6,919.43 = 2,890.13 : x
  2. Step 2: Convert to fraction form
    5,014.26/6,919.43 = 2,890.13/x
  3. Step 3: Cross multiply
    5,014.26x = 6,919.43 × 2,890.13
  4. Step 4: Simplify right side
    5,014.26x = 19,998,003.18
  5. Step 5: Solve for x
    x = 19,998,003.18/5,014.26
  6. Step 6: Final answer
    x = 3,988.23

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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.