Home / 7,719.26-10,652.56-6,519.44

Finding the Fourth Proportional to 7,719.26, 10,652.56 and 6,519.44

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Solution

The fourth proportional to 7,719.26, 10,652.56 and 6,519.44 is: 8,996.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,719.26 : 10,652.56 = 6,519.44 : x
  2. Step 2: Convert to fraction form
    7,719.26/10,652.56 = 6,519.44/x
  3. Step 3: Cross multiply
    7,719.26x = 10,652.56 × 6,519.44
  4. Step 4: Simplify right side
    7,719.26x = 69,448,725.77
  5. Step 5: Solve for x
    x = 69,448,725.77/7,719.26
  6. Step 6: Final answer
    x = 8,996.81

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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.