Home / 6,683.12-9,216.72-4,322.80

Finding the Fourth Proportional to 6,683.12, 9,216.72 and 4,322.80

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Solution

The fourth proportional to 6,683.12, 9,216.72 and 4,322.80 is: 5,961.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,683.12 : 9,216.72 = 4,322.80 : x
  2. Step 2: Convert to fraction form
    6,683.12/9,216.72 = 4,322.80/x
  3. Step 3: Cross multiply
    6,683.12x = 9,216.72 × 4,322.80
  4. Step 4: Simplify right side
    6,683.12x = 39,842,037.22
  5. Step 5: Solve for x
    x = 39,842,037.22/6,683.12
  6. Step 6: Final answer
    x = 5,961.59

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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.