Home / 6,619.74-9,928.44-2,458.77

Finding the Fourth Proportional to 6,619.74, 9,928.44 and 2,458.77

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Solution

The fourth proportional to 6,619.74, 9,928.44 and 2,458.77 is: 3,687.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619.74 : 9,928.44 = 2,458.77 : x
  2. Step 2: Convert to fraction form
    6,619.74/9,928.44 = 2,458.77/x
  3. Step 3: Cross multiply
    6,619.74x = 9,928.44 × 2,458.77
  4. Step 4: Simplify right side
    6,619.74x = 24,411,750.42
  5. Step 5: Solve for x
    x = 24,411,750.42/6,619.74
  6. Step 6: Final answer
    x = 3,687.72

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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.