Home / 4,453.55-6,682.87-1,680.11

Finding the Fourth Proportional to 4,453.55, 6,682.87 and 1,680.11

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Solution

The fourth proportional to 4,453.55, 6,682.87 and 1,680.11 is: 2,521.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,453.55 : 6,682.87 = 1,680.11 : x
  2. Step 2: Convert to fraction form
    4,453.55/6,682.87 = 1,680.11/x
  3. Step 3: Cross multiply
    4,453.55x = 6,682.87 × 1,680.11
  4. Step 4: Simplify right side
    4,453.55x = 11,227,950.46
  5. Step 5: Solve for x
    x = 11,227,950.46/4,453.55
  6. Step 6: Final answer
    x = 2,521.12

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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.