Home / 8,632.94-11,909.43-5,607.83

Finding the Fourth Proportional to 8,632.94, 11,909.43 and 5,607.83

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Solution

The fourth proportional to 8,632.94, 11,909.43 and 5,607.83 is: 7,736.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,632.94 : 11,909.43 = 5,607.83 : x
  2. Step 2: Convert to fraction form
    8,632.94/11,909.43 = 5,607.83/x
  3. Step 3: Cross multiply
    8,632.94x = 11,909.43 × 5,607.83
  4. Step 4: Simplify right side
    8,632.94x = 66,786,088.61
  5. Step 5: Solve for x
    x = 66,786,088.61/8,632.94
  6. Step 6: Final answer
    x = 7,736.20

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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.