Home / 4,455.17-6,680.93-1,680.44

Finding the Fourth Proportional to 4,455.17, 6,680.93 and 1,680.44

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Solution

The fourth proportional to 4,455.17, 6,680.93 and 1,680.44 is: 2,519.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,455.17 : 6,680.93 = 1,680.44 : x
  2. Step 2: Convert to fraction form
    4,455.17/6,680.93 = 1,680.44/x
  3. Step 3: Cross multiply
    4,455.17x = 6,680.93 × 1,680.44
  4. Step 4: Simplify right side
    4,455.17x = 11,226,860.20
  5. Step 5: Solve for x
    x = 11,226,860.20/4,455.17
  6. Step 6: Final answer
    x = 2,519.97

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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.