Home / 6,909.65-9,535.57-3,925.99

Finding the Fourth Proportional to 6,909.65, 9,535.57 and 3,925.99

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Solution

The fourth proportional to 6,909.65, 9,535.57 and 3,925.99 is: 5,418.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,909.65 : 9,535.57 = 3,925.99 : x
  2. Step 2: Convert to fraction form
    6,909.65/9,535.57 = 3,925.99/x
  3. Step 3: Cross multiply
    6,909.65x = 9,535.57 × 3,925.99
  4. Step 4: Simplify right side
    6,909.65x = 37,436,499.88
  5. Step 5: Solve for x
    x = 37,436,499.88/6,909.65
  6. Step 6: Final answer
    x = 5,418.01

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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.