Home / 4,015.08-6,020.46-1,381.68

Finding the Fourth Proportional to 4,015.08, 6,020.46 and 1,381.68

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Solution

The fourth proportional to 4,015.08, 6,020.46 and 1,381.68 is: 2,071.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,015.08 : 6,020.46 = 1,381.68 : x
  2. Step 2: Convert to fraction form
    4,015.08/6,020.46 = 1,381.68/x
  3. Step 3: Cross multiply
    4,015.08x = 6,020.46 × 1,381.68
  4. Step 4: Simplify right side
    4,015.08x = 8,318,349.17
  5. Step 5: Solve for x
    x = 8,318,349.17/4,015.08
  6. Step 6: Final answer
    x = 2,071.78

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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.