Home / 4,518.05-6,775.70-1,230.71

Finding the Fourth Proportional to 4,518.05, 6,775.70 and 1,230.71

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Solution

The fourth proportional to 4,518.05, 6,775.70 and 1,230.71 is: 1,845.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,518.05 : 6,775.70 = 1,230.71 : x
  2. Step 2: Convert to fraction form
    4,518.05/6,775.70 = 1,230.71/x
  3. Step 3: Cross multiply
    4,518.05x = 6,775.70 × 1,230.71
  4. Step 4: Simplify right side
    4,518.05x = 8,338,921.75
  5. Step 5: Solve for x
    x = 8,338,921.75/4,518.05
  6. Step 6: Final answer
    x = 1,845.69

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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.