Home / 4,725.75-7,088.92-1,439.09

Finding the Fourth Proportional to 4,725.75, 7,088.92 and 1,439.09

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Solution

The fourth proportional to 4,725.75, 7,088.92 and 1,439.09 is: 2,158.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,725.75 : 7,088.92 = 1,439.09 : x
  2. Step 2: Convert to fraction form
    4,725.75/7,088.92 = 1,439.09/x
  3. Step 3: Cross multiply
    4,725.75x = 7,088.92 × 1,439.09
  4. Step 4: Simplify right side
    4,725.75x = 10,201,554.84
  5. Step 5: Solve for x
    x = 10,201,554.84/4,725.75
  6. Step 6: Final answer
    x = 2,158.72

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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.