Home / 6,665.24-9,990.08-5,016.48

Finding the Fourth Proportional to 6,665.24, 9,990.08 and 5,016.48

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Solution

The fourth proportional to 6,665.24, 9,990.08 and 5,016.48 is: 7,518.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,665.24 : 9,990.08 = 5,016.48 : x
  2. Step 2: Convert to fraction form
    6,665.24/9,990.08 = 5,016.48/x
  3. Step 3: Cross multiply
    6,665.24x = 9,990.08 × 5,016.48
  4. Step 4: Simplify right side
    6,665.24x = 50,115,036.52
  5. Step 5: Solve for x
    x = 50,115,036.52/6,665.24
  6. Step 6: Final answer
    x = 7,518.86

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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.