Home / 9,112.72-13,666.46-3,848.92

Finding the Fourth Proportional to 9,112.72, 13,666.46 and 3,848.92

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Solution

The fourth proportional to 9,112.72, 13,666.46 and 3,848.92 is: 5,772.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,112.72 : 13,666.46 = 3,848.92 : x
  2. Step 2: Convert to fraction form
    9,112.72/13,666.46 = 3,848.92/x
  3. Step 3: Cross multiply
    9,112.72x = 13,666.46 × 3,848.92
  4. Step 4: Simplify right side
    9,112.72x = 52,601,156.34
  5. Step 5: Solve for x
    x = 52,601,156.34/9,112.72
  6. Step 6: Final answer
    x = 5,772.28

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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.