Home / 4,342.70-6,514.74-1,878.26

Finding the Fourth Proportional to 4,342.70, 6,514.74 and 1,878.26

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Solution

The fourth proportional to 4,342.70, 6,514.74 and 1,878.26 is: 2,817.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,342.70 : 6,514.74 = 1,878.26 : x
  2. Step 2: Convert to fraction form
    4,342.70/6,514.74 = 1,878.26/x
  3. Step 3: Cross multiply
    4,342.70x = 6,514.74 × 1,878.26
  4. Step 4: Simplify right side
    4,342.70x = 12,236,375.55
  5. Step 5: Solve for x
    x = 12,236,375.55/4,342.70
  6. Step 6: Final answer
    x = 2,817.69

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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.