Home / 4,317.38-6,477.79-1,722.14

Finding the Fourth Proportional to 4,317.38, 6,477.79 and 1,722.14

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Solution

The fourth proportional to 4,317.38, 6,477.79 and 1,722.14 is: 2,583.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,317.38 : 6,477.79 = 1,722.14 : x
  2. Step 2: Convert to fraction form
    4,317.38/6,477.79 = 1,722.14/x
  3. Step 3: Cross multiply
    4,317.38x = 6,477.79 × 1,722.14
  4. Step 4: Simplify right side
    4,317.38x = 11,155,661.27
  5. Step 5: Solve for x
    x = 11,155,661.27/4,317.38
  6. Step 6: Final answer
    x = 2,583.90

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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.