Home / 7,905.18-11,857.80-4,976.22

Finding the Fourth Proportional to 7,905.18, 11,857.80 and 4,976.22

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Solution

The fourth proportional to 7,905.18, 11,857.80 and 4,976.22 is: 7,464.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,905.18 : 11,857.80 = 4,976.22 : x
  2. Step 2: Convert to fraction form
    7,905.18/11,857.80 = 4,976.22/x
  3. Step 3: Cross multiply
    7,905.18x = 11,857.80 × 4,976.22
  4. Step 4: Simplify right side
    7,905.18x = 59,007,021.52
  5. Step 5: Solve for x
    x = 59,007,021.52/7,905.18
  6. Step 6: Final answer
    x = 7,464.35

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Similar ratio
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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.