Home / 6,720.30-9,273.74-3,887.24

Finding the Fourth Proportional to 6,720.30, 9,273.74 and 3,887.24

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Solution

The fourth proportional to 6,720.30, 9,273.74 and 3,887.24 is: 5,364.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,720.30 : 9,273.74 = 3,887.24 : x
  2. Step 2: Convert to fraction form
    6,720.30/9,273.74 = 3,887.24/x
  3. Step 3: Cross multiply
    6,720.30x = 9,273.74 × 3,887.24
  4. Step 4: Simplify right side
    6,720.30x = 36,049,253.08
  5. Step 5: Solve for x
    x = 36,049,253.08/6,720.30
  6. Step 6: Final answer
    x = 5,364.23

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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.