Home / 7,579.92-10,460.28-4,222.71

Finding the Fourth Proportional to 7,579.92, 10,460.28 and 4,222.71

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Solution

The fourth proportional to 7,579.92, 10,460.28 and 4,222.71 is: 5,827.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,579.92 : 10,460.28 = 4,222.71 : x
  2. Step 2: Convert to fraction form
    7,579.92/10,460.28 = 4,222.71/x
  3. Step 3: Cross multiply
    7,579.92x = 10,460.28 × 4,222.71
  4. Step 4: Simplify right side
    7,579.92x = 44,170,728.96
  5. Step 5: Solve for x
    x = 44,170,728.96/7,579.92
  6. Step 6: Final answer
    x = 5,827.33

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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.