Home / 4,459.59-6,690.33-2,814.21

Finding the Fourth Proportional to 4,459.59, 6,690.33 and 2,814.21

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Solution

The fourth proportional to 4,459.59, 6,690.33 and 2,814.21 is: 4,221.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,459.59 : 6,690.33 = 2,814.21 : x
  2. Step 2: Convert to fraction form
    4,459.59/6,690.33 = 2,814.21/x
  3. Step 3: Cross multiply
    4,459.59x = 6,690.33 × 2,814.21
  4. Step 4: Simplify right side
    4,459.59x = 18,827,993.59
  5. Step 5: Solve for x
    x = 18,827,993.59/4,459.59
  6. Step 6: Final answer
    x = 4,221.91

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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.