Home / 4,155.14-6,227.24-1,688.60

Finding the Fourth Proportional to 4,155.14, 6,227.24 and 1,688.60

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Solution

The fourth proportional to 4,155.14, 6,227.24 and 1,688.60 is: 2,530.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,155.14 : 6,227.24 = 1,688.60 : x
  2. Step 2: Convert to fraction form
    4,155.14/6,227.24 = 1,688.60/x
  3. Step 3: Cross multiply
    4,155.14x = 6,227.24 × 1,688.60
  4. Step 4: Simplify right side
    4,155.14x = 10,515,317.46
  5. Step 5: Solve for x
    x = 10,515,317.46/4,155.14
  6. Step 6: Final answer
    x = 2,530.68

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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.