Home / 7,772.62-10,725.90-4,235.75

Finding the Fourth Proportional to 7,772.62, 10,725.90 and 4,235.75

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Solution

The fourth proportional to 7,772.62, 10,725.90 and 4,235.75 is: 5,845.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,772.62 : 10,725.90 = 4,235.75 : x
  2. Step 2: Convert to fraction form
    7,772.62/10,725.90 = 4,235.75/x
  3. Step 3: Cross multiply
    7,772.62x = 10,725.90 × 4,235.75
  4. Step 4: Simplify right side
    7,772.62x = 45,432,233.74
  5. Step 5: Solve for x
    x = 45,432,233.74/7,772.62
  6. Step 6: Final answer
    x = 5,845.17

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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.