Home / 7,895.16-11,839.41-3,509.64

Finding the Fourth Proportional to 7,895.16, 11,839.41 and 3,509.64

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Solution

The fourth proportional to 7,895.16, 11,839.41 and 3,509.64 is: 5,262.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,895.16 : 11,839.41 = 3,509.64 : x
  2. Step 2: Convert to fraction form
    7,895.16/11,839.41 = 3,509.64/x
  3. Step 3: Cross multiply
    7,895.16x = 11,839.41 × 3,509.64
  4. Step 4: Simplify right side
    7,895.16x = 41,552,066.91
  5. Step 5: Solve for x
    x = 41,552,066.91/7,895.16
  6. Step 6: Final answer
    x = 5,262.98

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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.