Home / 4,459.10-6,687.36-1,338.98

Finding the Fourth Proportional to 4,459.10, 6,687.36 and 1,338.98

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Solution

The fourth proportional to 4,459.10, 6,687.36 and 1,338.98 is: 2,008.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,459.10 : 6,687.36 = 1,338.98 : x
  2. Step 2: Convert to fraction form
    4,459.10/6,687.36 = 1,338.98/x
  3. Step 3: Cross multiply
    4,459.10x = 6,687.36 × 1,338.98
  4. Step 4: Simplify right side
    4,459.10x = 8,954,241.29
  5. Step 5: Solve for x
    x = 8,954,241.29/4,459.10
  6. Step 6: Final answer
    x = 2,008.08

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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.