Home / 6,579.25-9,870-2,881.39

Finding the Fourth Proportional to 6,579.25, 9,870 and 2,881.39

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Solution

The fourth proportional to 6,579.25, 9,870 and 2,881.39 is: 4,322.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,579.25 : 9,870 = 2,881.39 : x
  2. Step 2: Convert to fraction form
    6,579.25/9,870 = 2,881.39/x
  3. Step 3: Cross multiply
    6,579.25x = 9,870 × 2,881.39
  4. Step 4: Simplify right side
    6,579.25x = 28,439,319.30
  5. Step 5: Solve for x
    x = 28,439,319.30/6,579.25
  6. Step 6: Final answer
    x = 4,322.58

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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.