Home / 4,775.38-7,163.10-1,488.40

Finding the Fourth Proportional to 4,775.38, 7,163.10 and 1,488.40

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Solution

The fourth proportional to 4,775.38, 7,163.10 and 1,488.40 is: 2,232.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,775.38 : 7,163.10 = 1,488.40 : x
  2. Step 2: Convert to fraction form
    4,775.38/7,163.10 = 1,488.40/x
  3. Step 3: Cross multiply
    4,775.38x = 7,163.10 × 1,488.40
  4. Step 4: Simplify right side
    4,775.38x = 10,661,558.04
  5. Step 5: Solve for x
    x = 10,661,558.04/4,775.38
  6. Step 6: Final answer
    x = 2,232.61

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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.