Home / 5,066.28-7,603.74-1,990.44

Finding the Fourth Proportional to 5,066.28, 7,603.74 and 1,990.44

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Solution

The fourth proportional to 5,066.28, 7,603.74 and 1,990.44 is: 2,987.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,066.28 : 7,603.74 = 1,990.44 : x
  2. Step 2: Convert to fraction form
    5,066.28/7,603.74 = 1,990.44/x
  3. Step 3: Cross multiply
    5,066.28x = 7,603.74 × 1,990.44
  4. Step 4: Simplify right side
    5,066.28x = 15,134,788.25
  5. Step 5: Solve for x
    x = 15,134,788.25/5,066.28
  6. Step 6: Final answer
    x = 2,987.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.