Home / 7,242.20-9,994.78-4,055.33

Finding the Fourth Proportional to 7,242.20, 9,994.78 and 4,055.33

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Solution

The fourth proportional to 7,242.20, 9,994.78 and 4,055.33 is: 5,596.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242.20 : 9,994.78 = 4,055.33 : x
  2. Step 2: Convert to fraction form
    7,242.20/9,994.78 = 4,055.33/x
  3. Step 3: Cross multiply
    7,242.20x = 9,994.78 × 4,055.33
  4. Step 4: Simplify right side
    7,242.20x = 40,532,086.00
  5. Step 5: Solve for x
    x = 40,532,086.00/7,242.20
  6. Step 6: Final answer
    x = 5,596.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.