Home / 4,478.32-6,714.60-2,137.06

Finding the Fourth Proportional to 4,478.32, 6,714.60 and 2,137.06

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Solution

The fourth proportional to 4,478.32, 6,714.60 and 2,137.06 is: 3,204.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.32 : 6,714.60 = 2,137.06 : x
  2. Step 2: Convert to fraction form
    4,478.32/6,714.60 = 2,137.06/x
  3. Step 3: Cross multiply
    4,478.32x = 6,714.60 × 2,137.06
  4. Step 4: Simplify right side
    4,478.32x = 14,349,503.08
  5. Step 5: Solve for x
    x = 14,349,503.08/4,478.32
  6. Step 6: Final answer
    x = 3,204.22

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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.