Home / 7,620.72-10,516.56-4,263.51

Finding the Fourth Proportional to 7,620.72, 10,516.56 and 4,263.51

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Solution

The fourth proportional to 7,620.72, 10,516.56 and 4,263.51 is: 5,883.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,620.72 : 10,516.56 = 4,263.51 : x
  2. Step 2: Convert to fraction form
    7,620.72/10,516.56 = 4,263.51/x
  3. Step 3: Cross multiply
    7,620.72x = 10,516.56 × 4,263.51
  4. Step 4: Simplify right side
    7,620.72x = 44,837,458.73
  5. Step 5: Solve for x
    x = 44,837,458.73/7,620.72
  6. Step 6: Final answer
    x = 5,883.63

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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.