Home / 7,561.52-11,322.84-6,395.12

Finding the Fourth Proportional to 7,561.52, 11,322.84 and 6,395.12

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Solution

The fourth proportional to 7,561.52, 11,322.84 and 6,395.12 is: 9,576.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,561.52 : 11,322.84 = 6,395.12 : x
  2. Step 2: Convert to fraction form
    7,561.52/11,322.84 = 6,395.12/x
  3. Step 3: Cross multiply
    7,561.52x = 11,322.84 × 6,395.12
  4. Step 4: Simplify right side
    7,561.52x = 72,410,920.54
  5. Step 5: Solve for x
    x = 72,410,920.54/7,561.52
  6. Step 6: Final answer
    x = 9,576.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.