Home / 4,128.26-6,194.01-1,531.40

Finding the Fourth Proportional to 4,128.26, 6,194.01 and 1,531.40

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Solution

The fourth proportional to 4,128.26, 6,194.01 and 1,531.40 is: 2,297.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.26 : 6,194.01 = 1,531.40 : x
  2. Step 2: Convert to fraction form
    4,128.26/6,194.01 = 1,531.40/x
  3. Step 3: Cross multiply
    4,128.26x = 6,194.01 × 1,531.40
  4. Step 4: Simplify right side
    4,128.26x = 9,485,506.91
  5. Step 5: Solve for x
    x = 9,485,506.91/4,128.26
  6. Step 6: Final answer
    x = 2,297.70

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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.