Home / 6,324.75-8,728.29-3,530.25

Finding the Fourth Proportional to 6,324.75, 8,728.29 and 3,530.25

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Solution

The fourth proportional to 6,324.75, 8,728.29 and 3,530.25 is: 4,871.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,324.75 : 8,728.29 = 3,530.25 : x
  2. Step 2: Convert to fraction form
    6,324.75/8,728.29 = 3,530.25/x
  3. Step 3: Cross multiply
    6,324.75x = 8,728.29 × 3,530.25
  4. Step 4: Simplify right side
    6,324.75x = 30,813,045.77
  5. Step 5: Solve for x
    x = 30,813,045.77/6,324.75
  6. Step 6: Final answer
    x = 4,871.82

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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.