Home / 7,620.97-10,516.89-4,263.77

Finding the Fourth Proportional to 7,620.97, 10,516.89 and 4,263.77

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Solution

The fourth proportional to 7,620.97, 10,516.89 and 4,263.77 is: 5,883.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,620.97 : 10,516.89 = 4,263.77 : x
  2. Step 2: Convert to fraction form
    7,620.97/10,516.89 = 4,263.77/x
  3. Step 3: Cross multiply
    7,620.97x = 10,516.89 × 4,263.77
  4. Step 4: Simplify right side
    7,620.97x = 44,841,600.08
  5. Step 5: Solve for x
    x = 44,841,600.08/7,620.97
  6. Step 6: Final answer
    x = 5,883.98

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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.