Home / 6,317.06-8,718.32-3,629.12

Finding the Fourth Proportional to 6,317.06, 8,718.32 and 3,629.12

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Solution

The fourth proportional to 6,317.06, 8,718.32 and 3,629.12 is: 5,008.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,317.06 : 8,718.32 = 3,629.12 : x
  2. Step 2: Convert to fraction form
    6,317.06/8,718.32 = 3,629.12/x
  3. Step 3: Cross multiply
    6,317.06x = 8,718.32 × 3,629.12
  4. Step 4: Simplify right side
    6,317.06x = 31,639,767.74
  5. Step 5: Solve for x
    x = 31,639,767.74/6,317.06
  6. Step 6: Final answer
    x = 5,008.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.