Home / 6,579.28-9,077.04-4,222.72

Finding the Fourth Proportional to 6,579.28, 9,077.04 and 4,222.72

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Solution

The fourth proportional to 6,579.28, 9,077.04 and 4,222.72 is: 5,825.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,579.28 : 9,077.04 = 4,222.72 : x
  2. Step 2: Convert to fraction form
    6,579.28/9,077.04 = 4,222.72/x
  3. Step 3: Cross multiply
    6,579.28x = 9,077.04 × 4,222.72
  4. Step 4: Simplify right side
    6,579.28x = 38,329,798.35
  5. Step 5: Solve for x
    x = 38,329,798.35/6,579.28
  6. Step 6: Final answer
    x = 5,825.83

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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.