Home / 4,714.19-6,511.05-3,139.55

Finding the Fourth Proportional to 4,714.19, 6,511.05 and 3,139.55

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Solution

The fourth proportional to 4,714.19, 6,511.05 and 3,139.55 is: 4,336.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,714.19 : 6,511.05 = 3,139.55 : x
  2. Step 2: Convert to fraction form
    4,714.19/6,511.05 = 3,139.55/x
  3. Step 3: Cross multiply
    4,714.19x = 6,511.05 × 3,139.55
  4. Step 4: Simplify right side
    4,714.19x = 20,441,767.03
  5. Step 5: Solve for x
    x = 20,441,767.03/4,714.19
  6. Step 6: Final answer
    x = 4,336.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.