Home / 4,104.90-6,159.41-1,913.80

Finding the Fourth Proportional to 4,104.90, 6,159.41 and 1,913.80

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Solution

The fourth proportional to 4,104.90, 6,159.41 and 1,913.80 is: 2,871.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,104.90 : 6,159.41 = 1,913.80 : x
  2. Step 2: Convert to fraction form
    4,104.90/6,159.41 = 1,913.80/x
  3. Step 3: Cross multiply
    4,104.90x = 6,159.41 × 1,913.80
  4. Step 4: Simplify right side
    4,104.90x = 11,787,878.86
  5. Step 5: Solve for x
    x = 11,787,878.86/4,104.90
  6. Step 6: Final answer
    x = 2,871.66

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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.