Home / 4,199.90-6,298.72-1,277.42

Finding the Fourth Proportional to 4,199.90, 6,298.72 and 1,277.42

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Solution

The fourth proportional to 4,199.90, 6,298.72 and 1,277.42 is: 1,915.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,199.90 : 6,298.72 = 1,277.42 : x
  2. Step 2: Convert to fraction form
    4,199.90/6,298.72 = 1,277.42/x
  3. Step 3: Cross multiply
    4,199.90x = 6,298.72 × 1,277.42
  4. Step 4: Simplify right side
    4,199.90x = 8,046,110.90
  5. Step 5: Solve for x
    x = 8,046,110.90/4,199.90
  6. Step 6: Final answer
    x = 1,915.79

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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.