Home / 4,725.95-7,086.86-1,438.26

Finding the Fourth Proportional to 4,725.95, 7,086.86 and 1,438.26

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Solution

The fourth proportional to 4,725.95, 7,086.86 and 1,438.26 is: 2,156.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,725.95 : 7,086.86 = 1,438.26 : x
  2. Step 2: Convert to fraction form
    4,725.95/7,086.86 = 1,438.26/x
  3. Step 3: Cross multiply
    4,725.95x = 7,086.86 × 1,438.26
  4. Step 4: Simplify right side
    4,725.95x = 10,192,778.69
  5. Step 5: Solve for x
    x = 10,192,778.69/4,725.95
  6. Step 6: Final answer
    x = 2,156.77

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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.