Home / 7,317.77-10,979.24-3,622.55

Finding the Fourth Proportional to 7,317.77, 10,979.24 and 3,622.55

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Solution

The fourth proportional to 7,317.77, 10,979.24 and 3,622.55 is: 5,435.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,317.77 : 10,979.24 = 3,622.55 : x
  2. Step 2: Convert to fraction form
    7,317.77/10,979.24 = 3,622.55/x
  3. Step 3: Cross multiply
    7,317.77x = 10,979.24 × 3,622.55
  4. Step 4: Simplify right side
    7,317.77x = 39,772,845.86
  5. Step 5: Solve for x
    x = 39,772,845.86/7,317.77
  6. Step 6: Final answer
    x = 5,435.10

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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.