Home / 7,069.52-10,578.36-6,896.72

Finding the Fourth Proportional to 7,069.52, 10,578.36 and 6,896.72

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Solution

The fourth proportional to 7,069.52, 10,578.36 and 6,896.72 is: 10,319.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,069.52 : 10,578.36 = 6,896.72 : x
  2. Step 2: Convert to fraction form
    7,069.52/10,578.36 = 6,896.72/x
  3. Step 3: Cross multiply
    7,069.52x = 10,578.36 × 6,896.72
  4. Step 4: Simplify right side
    7,069.52x = 72,955,986.98
  5. Step 5: Solve for x
    x = 72,955,986.98/7,069.52
  6. Step 6: Final answer
    x = 10,319.79

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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.