Home / 7,756.71-10,694.27-5,635.32

Finding the Fourth Proportional to 7,756.71, 10,694.27 and 5,635.32

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Solution

The fourth proportional to 7,756.71, 10,694.27 and 5,635.32 is: 7,769.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,756.71 : 10,694.27 = 5,635.32 : x
  2. Step 2: Convert to fraction form
    7,756.71/10,694.27 = 5,635.32/x
  3. Step 3: Cross multiply
    7,756.71x = 10,694.27 × 5,635.32
  4. Step 4: Simplify right side
    7,756.71x = 60,265,605.44
  5. Step 5: Solve for x
    x = 60,265,605.44/7,756.71
  6. Step 6: Final answer
    x = 7,769.48

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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.