Home / 4,775.46-7,160.39-1,442.71

Finding the Fourth Proportional to 4,775.46, 7,160.39 and 1,442.71

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Solution

The fourth proportional to 4,775.46, 7,160.39 and 1,442.71 is: 2,163.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,775.46 : 7,160.39 = 1,442.71 : x
  2. Step 2: Convert to fraction form
    4,775.46/7,160.39 = 1,442.71/x
  3. Step 3: Cross multiply
    4,775.46x = 7,160.39 × 1,442.71
  4. Step 4: Simplify right side
    4,775.46x = 10,330,366.26
  5. Step 5: Solve for x
    x = 10,330,366.26/4,775.46
  6. Step 6: Final answer
    x = 2,163.22

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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.