Home / 7,191.36-10,783.56-4,268.88

Finding the Fourth Proportional to 7,191.36, 10,783.56 and 4,268.88

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Solution

The fourth proportional to 7,191.36, 10,783.56 and 4,268.88 is: 6,401.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,191.36 : 10,783.56 = 4,268.88 : x
  2. Step 2: Convert to fraction form
    7,191.36/10,783.56 = 4,268.88/x
  3. Step 3: Cross multiply
    7,191.36x = 10,783.56 × 4,268.88
  4. Step 4: Simplify right side
    7,191.36x = 46,033,723.61
  5. Step 5: Solve for x
    x = 46,033,723.61/7,191.36
  6. Step 6: Final answer
    x = 6,401.25

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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.