Home / 6,665.31-9,999.36-2,505.24

Finding the Fourth Proportional to 6,665.31, 9,999.36 and 2,505.24

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Solution

The fourth proportional to 6,665.31, 9,999.36 and 2,505.24 is: 3,758.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,665.31 : 9,999.36 = 2,505.24 : x
  2. Step 2: Convert to fraction form
    6,665.31/9,999.36 = 2,505.24/x
  3. Step 3: Cross multiply
    6,665.31x = 9,999.36 × 2,505.24
  4. Step 4: Simplify right side
    6,665.31x = 25,050,796.65
  5. Step 5: Solve for x
    x = 25,050,796.65/6,665.31
  6. Step 6: Final answer
    x = 3,758.38

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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.