Home / 4,155.71-6,226.91-2,908.65

Finding the Fourth Proportional to 4,155.71, 6,226.91 and 2,908.65

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Solution

The fourth proportional to 4,155.71, 6,226.91 and 2,908.65 is: 4,358.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,155.71 : 6,226.91 = 2,908.65 : x
  2. Step 2: Convert to fraction form
    4,155.71/6,226.91 = 2,908.65/x
  3. Step 3: Cross multiply
    4,155.71x = 6,226.91 × 2,908.65
  4. Step 4: Simplify right side
    4,155.71x = 18,111,887.23
  5. Step 5: Solve for x
    x = 18,111,887.23/4,155.71
  6. Step 6: Final answer
    x = 4,358.32

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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.