Home / 5,919.18-8,878.76-1,759.17

Finding the Fourth Proportional to 5,919.18, 8,878.76 and 1,759.17

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Solution

The fourth proportional to 5,919.18, 8,878.76 and 1,759.17 is: 2,638.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.18 : 8,878.76 = 1,759.17 : x
  2. Step 2: Convert to fraction form
    5,919.18/8,878.76 = 1,759.17/x
  3. Step 3: Cross multiply
    5,919.18x = 8,878.76 × 1,759.17
  4. Step 4: Simplify right side
    5,919.18x = 15,619,239.28
  5. Step 5: Solve for x
    x = 15,619,239.28/5,919.18
  6. Step 6: Final answer
    x = 2,638.75

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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.