Home / 7,580.80-10,460.26-4,222.86

Finding the Fourth Proportional to 7,580.80, 10,460.26 and 4,222.86

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Solution

The fourth proportional to 7,580.80, 10,460.26 and 4,222.86 is: 5,826.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,580.80 : 10,460.26 = 4,222.86 : x
  2. Step 2: Convert to fraction form
    7,580.80/10,460.26 = 4,222.86/x
  3. Step 3: Cross multiply
    7,580.80x = 10,460.26 × 4,222.86
  4. Step 4: Simplify right side
    7,580.80x = 44,172,213.54
  5. Step 5: Solve for x
    x = 44,172,213.54/7,580.80
  6. Step 6: Final answer
    x = 5,826.85

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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.