Home / 4,188.42-6,280.70-3,860.10

Finding the Fourth Proportional to 4,188.42, 6,280.70 and 3,860.10

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Solution

The fourth proportional to 4,188.42, 6,280.70 and 3,860.10 is: 5,788.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.42 : 6,280.70 = 3,860.10 : x
  2. Step 2: Convert to fraction form
    4,188.42/6,280.70 = 3,860.10/x
  3. Step 3: Cross multiply
    4,188.42x = 6,280.70 × 3,860.10
  4. Step 4: Simplify right side
    4,188.42x = 24,244,110.77
  5. Step 5: Solve for x
    x = 24,244,110.77/4,188.42
  6. Step 6: Final answer
    x = 5,788.37

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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.