Home / 4,725.38-7,088.84-1,438.22

Finding the Fourth Proportional to 4,725.38, 7,088.84 and 1,438.22

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Solution

The fourth proportional to 4,725.38, 7,088.84 and 1,438.22 is: 2,157.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,725.38 : 7,088.84 = 1,438.22 : x
  2. Step 2: Convert to fraction form
    4,725.38/7,088.84 = 1,438.22/x
  3. Step 3: Cross multiply
    4,725.38x = 7,088.84 × 1,438.22
  4. Step 4: Simplify right side
    4,725.38x = 10,195,311.46
  5. Step 5: Solve for x
    x = 10,195,311.46/4,725.38
  6. Step 6: Final answer
    x = 2,157.56

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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.