Home / 7,759.96-11,650.02-4,979.32

Finding the Fourth Proportional to 7,759.96, 11,650.02 and 4,979.32

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Solution

The fourth proportional to 7,759.96, 11,650.02 and 4,979.32 is: 7,475.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,759.96 : 11,650.02 = 4,979.32 : x
  2. Step 2: Convert to fraction form
    7,759.96/11,650.02 = 4,979.32/x
  3. Step 3: Cross multiply
    7,759.96x = 11,650.02 × 4,979.32
  4. Step 4: Simplify right side
    7,759.96x = 58,009,177.59
  5. Step 5: Solve for x
    x = 58,009,177.59/7,759.96
  6. Step 6: Final answer
    x = 7,475.45

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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.