Home / 8,455.33-11,666.25-5,100.11

Finding the Fourth Proportional to 8,455.33, 11,666.25 and 5,100.11

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Solution

The fourth proportional to 8,455.33, 11,666.25 and 5,100.11 is: 7,036.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,455.33 : 11,666.25 = 5,100.11 : x
  2. Step 2: Convert to fraction form
    8,455.33/11,666.25 = 5,100.11/x
  3. Step 3: Cross multiply
    8,455.33x = 11,666.25 × 5,100.11
  4. Step 4: Simplify right side
    8,455.33x = 59,499,099.96
  5. Step 5: Solve for x
    x = 59,499,099.96/8,455.33
  6. Step 6: Final answer
    x = 7,036.88

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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.