Home / 6,618.96-9,925.68-2,818

Finding the Fourth Proportional to 6,618.96, 9,925.68 and 2,818

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Solution

The fourth proportional to 6,618.96, 9,925.68 and 2,818 is: 4,225.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,618.96 : 9,925.68 = 2,818 : x
  2. Step 2: Convert to fraction form
    6,618.96/9,925.68 = 2,818/x
  3. Step 3: Cross multiply
    6,618.96x = 9,925.68 × 2,818
  4. Step 4: Simplify right side
    6,618.96x = 27,970,566.24
  5. Step 5: Solve for x
    x = 27,970,566.24/6,618.96
  6. Step 6: Final answer
    x = 4,225.82

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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.