Home / 4,725.54-7,088.18-1,438.49

Finding the Fourth Proportional to 4,725.54, 7,088.18 and 1,438.49

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Solution

The fourth proportional to 4,725.54, 7,088.18 and 1,438.49 is: 2,157.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,725.54 : 7,088.18 = 1,438.49 : x
  2. Step 2: Convert to fraction form
    4,725.54/7,088.18 = 1,438.49/x
  3. Step 3: Cross multiply
    4,725.54x = 7,088.18 × 1,438.49
  4. Step 4: Simplify right side
    4,725.54x = 10,196,286.58
  5. Step 5: Solve for x
    x = 10,196,286.58/4,725.54
  6. Step 6: Final answer
    x = 2,157.70

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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.