Home / 7,739.07-11,601.46-2,807.52

Finding the Fourth Proportional to 7,739.07, 11,601.46 and 2,807.52

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Solution

The fourth proportional to 7,739.07, 11,601.46 and 2,807.52 is: 4,208.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,739.07 : 11,601.46 = 2,807.52 : x
  2. Step 2: Convert to fraction form
    7,739.07/11,601.46 = 2,807.52/x
  3. Step 3: Cross multiply
    7,739.07x = 11,601.46 × 2,807.52
  4. Step 4: Simplify right side
    7,739.07x = 32,571,330.98
  5. Step 5: Solve for x
    x = 32,571,330.98/7,739.07
  6. Step 6: Final answer
    x = 4,208.69

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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.