Home / 7,783.75-10,741.58-4,247.04

Finding the Fourth Proportional to 7,783.75, 10,741.58 and 4,247.04

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Solution

The fourth proportional to 7,783.75, 10,741.58 and 4,247.04 is: 5,860.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,783.75 : 10,741.58 = 4,247.04 : x
  2. Step 2: Convert to fraction form
    7,783.75/10,741.58 = 4,247.04/x
  3. Step 3: Cross multiply
    7,783.75x = 10,741.58 × 4,247.04
  4. Step 4: Simplify right side
    7,783.75x = 45,619,844.98
  5. Step 5: Solve for x
    x = 45,619,844.98/7,783.75
  6. Step 6: Final answer
    x = 5,860.91

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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.