Home / 7,818.64-11,728.52-2,483.04

Finding the Fourth Proportional to 7,818.64, 11,728.52 and 2,483.04

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Solution

The fourth proportional to 7,818.64, 11,728.52 and 2,483.04 is: 3,724.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,818.64 : 11,728.52 = 2,483.04 : x
  2. Step 2: Convert to fraction form
    7,818.64/11,728.52 = 2,483.04/x
  3. Step 3: Cross multiply
    7,818.64x = 11,728.52 × 2,483.04
  4. Step 4: Simplify right side
    7,818.64x = 29,122,384.30
  5. Step 5: Solve for x
    x = 29,122,384.30/7,818.64
  6. Step 6: Final answer
    x = 3,724.74

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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.