Home / 7,653.86-11,480.91-2,107.15

Finding the Fourth Proportional to 7,653.86, 11,480.91 and 2,107.15

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Solution

The fourth proportional to 7,653.86, 11,480.91 and 2,107.15 is: 3,160.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,653.86 : 11,480.91 = 2,107.15 : x
  2. Step 2: Convert to fraction form
    7,653.86/11,480.91 = 2,107.15/x
  3. Step 3: Cross multiply
    7,653.86x = 11,480.91 × 2,107.15
  4. Step 4: Simplify right side
    7,653.86x = 24,191,962.90
  5. Step 5: Solve for x
    x = 24,191,962.90/7,653.86
  6. Step 6: Final answer
    x = 3,160.75

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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.