Home / 7,771.94-10,725.39-4,235.15

Finding the Fourth Proportional to 7,771.94, 10,725.39 and 4,235.15

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Solution

The fourth proportional to 7,771.94, 10,725.39 and 4,235.15 is: 5,844.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,771.94 : 10,725.39 = 4,235.15 : x
  2. Step 2: Convert to fraction form
    7,771.94/10,725.39 = 4,235.15/x
  3. Step 3: Cross multiply
    7,771.94x = 10,725.39 × 4,235.15
  4. Step 4: Simplify right side
    7,771.94x = 45,423,635.46
  5. Step 5: Solve for x
    x = 45,423,635.46/7,771.94
  6. Step 6: Final answer
    x = 5,844.57

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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.