Home / 4,015.40-6,023.68-1,242.31

Finding the Fourth Proportional to 4,015.40, 6,023.68 and 1,242.31

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Solution

The fourth proportional to 4,015.40, 6,023.68 and 1,242.31 is: 1,863.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,015.40 : 6,023.68 = 1,242.31 : x
  2. Step 2: Convert to fraction form
    4,015.40/6,023.68 = 1,242.31/x
  3. Step 3: Cross multiply
    4,015.40x = 6,023.68 × 1,242.31
  4. Step 4: Simplify right side
    4,015.40x = 7,483,271.69
  5. Step 5: Solve for x
    x = 7,483,271.69/4,015.40
  6. Step 6: Final answer
    x = 1,863.64

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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.