Home / 7,505.94-10,351.28-6,909.75

Finding the Fourth Proportional to 7,505.94, 10,351.28 and 6,909.75

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Solution

The fourth proportional to 7,505.94, 10,351.28 and 6,909.75 is: 9,529.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,505.94 : 10,351.28 = 6,909.75 : x
  2. Step 2: Convert to fraction form
    7,505.94/10,351.28 = 6,909.75/x
  3. Step 3: Cross multiply
    7,505.94x = 10,351.28 × 6,909.75
  4. Step 4: Simplify right side
    7,505.94x = 71,524,756.98
  5. Step 5: Solve for x
    x = 71,524,756.98/7,505.94
  6. Step 6: Final answer
    x = 9,529.09

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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.