Home / 6,388.32-9,582.75-2,228.74

Finding the Fourth Proportional to 6,388.32, 9,582.75 and 2,228.74

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Solution

The fourth proportional to 6,388.32, 9,582.75 and 2,228.74 is: 3,343.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,388.32 : 9,582.75 = 2,228.74 : x
  2. Step 2: Convert to fraction form
    6,388.32/9,582.75 = 2,228.74/x
  3. Step 3: Cross multiply
    6,388.32x = 9,582.75 × 2,228.74
  4. Step 4: Simplify right side
    6,388.32x = 21,357,458.24
  5. Step 5: Solve for x
    x = 21,357,458.24/6,388.32
  6. Step 6: Final answer
    x = 3,343.20

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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.