Home / 7,828.66-11,745.40-7,001.64

Finding the Fourth Proportional to 7,828.66, 11,745.40 and 7,001.64

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Solution

The fourth proportional to 7,828.66, 11,745.40 and 7,001.64 is: 10,504.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,828.66 : 11,745.40 = 7,001.64 : x
  2. Step 2: Convert to fraction form
    7,828.66/11,745.40 = 7,001.64/x
  3. Step 3: Cross multiply
    7,828.66x = 11,745.40 × 7,001.64
  4. Step 4: Simplify right side
    7,828.66x = 82,237,062.46
  5. Step 5: Solve for x
    x = 82,237,062.46/7,828.66
  6. Step 6: Final answer
    x = 10,504.62

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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.