Home / 4,015.75-6,023.70-1,242.40

Finding the Fourth Proportional to 4,015.75, 6,023.70 and 1,242.40

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Solution

The fourth proportional to 4,015.75, 6,023.70 and 1,242.40 is: 1,863.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,015.75 : 6,023.70 = 1,242.40 : x
  2. Step 2: Convert to fraction form
    4,015.75/6,023.70 = 1,242.40/x
  3. Step 3: Cross multiply
    4,015.75x = 6,023.70 × 1,242.40
  4. Step 4: Simplify right side
    4,015.75x = 7,483,844.88
  5. Step 5: Solve for x
    x = 7,483,844.88/4,015.75
  6. Step 6: Final answer
    x = 1,863.62

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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.