Home / 7,620.87-10,516.55-4,263.74

Finding the Fourth Proportional to 7,620.87, 10,516.55 and 4,263.74

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Solution

The fourth proportional to 7,620.87, 10,516.55 and 4,263.74 is: 5,883.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,620.87 : 10,516.55 = 4,263.74 : x
  2. Step 2: Convert to fraction form
    7,620.87/10,516.55 = 4,263.74/x
  3. Step 3: Cross multiply
    7,620.87x = 10,516.55 × 4,263.74
  4. Step 4: Simplify right side
    7,620.87x = 44,839,819.26
  5. Step 5: Solve for x
    x = 44,839,819.26/7,620.87
  6. Step 6: Final answer
    x = 5,883.82

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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.