Home / 4,725.42-7,088.01-1,438.38

Finding the Fourth Proportional to 4,725.42, 7,088.01 and 1,438.38

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Solution

The fourth proportional to 4,725.42, 7,088.01 and 1,438.38 is: 2,157.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,725.42 : 7,088.01 = 1,438.38 : x
  2. Step 2: Convert to fraction form
    4,725.42/7,088.01 = 1,438.38/x
  3. Step 3: Cross multiply
    4,725.42x = 7,088.01 × 1,438.38
  4. Step 4: Simplify right side
    4,725.42x = 10,195,251.82
  5. Step 5: Solve for x
    x = 10,195,251.82/4,725.42
  6. Step 6: Final answer
    x = 2,157.53

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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.