Home / 4,453.12-6,681.30-2,113.84

Finding the Fourth Proportional to 4,453.12, 6,681.30 and 2,113.84

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Solution

The fourth proportional to 4,453.12, 6,681.30 and 2,113.84 is: 3,171.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,453.12 : 6,681.30 = 2,113.84 : x
  2. Step 2: Convert to fraction form
    4,453.12/6,681.30 = 2,113.84/x
  3. Step 3: Cross multiply
    4,453.12x = 6,681.30 × 2,113.84
  4. Step 4: Simplify right side
    4,453.12x = 14,123,199.19
  5. Step 5: Solve for x
    x = 14,123,199.19/4,453.12
  6. Step 6: Final answer
    x = 3,171.53

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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.