Home / 7,975.79-11,005.34-4,618.92

Finding the Fourth Proportional to 7,975.79, 11,005.34 and 4,618.92

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Solution

The fourth proportional to 7,975.79, 11,005.34 and 4,618.92 is: 6,373.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,975.79 : 11,005.34 = 4,618.92 : x
  2. Step 2: Convert to fraction form
    7,975.79/11,005.34 = 4,618.92/x
  3. Step 3: Cross multiply
    7,975.79x = 11,005.34 × 4,618.92
  4. Step 4: Simplify right side
    7,975.79x = 50,832,761.94
  5. Step 5: Solve for x
    x = 50,832,761.94/7,975.79
  6. Step 6: Final answer
    x = 6,373.39

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Similar ratio
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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.