Home / 8,125.61-11,213.33-4,399.61

Finding the Fourth Proportional to 8,125.61, 11,213.33 and 4,399.61

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Solution

The fourth proportional to 8,125.61, 11,213.33 and 4,399.61 is: 6,071.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,125.61 : 11,213.33 = 4,399.61 : x
  2. Step 2: Convert to fraction form
    8,125.61/11,213.33 = 4,399.61/x
  3. Step 3: Cross multiply
    8,125.61x = 11,213.33 × 4,399.61
  4. Step 4: Simplify right side
    8,125.61x = 49,334,200.74
  5. Step 5: Solve for x
    x = 49,334,200.74/8,125.61
  6. Step 6: Final answer
    x = 6,071.45

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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.