Home / 6,228.16-8,599.20-3,871.36

Finding the Fourth Proportional to 6,228.16, 8,599.20 and 3,871.36

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Solution

The fourth proportional to 6,228.16, 8,599.20 and 3,871.36 is: 5,345.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,228.16 : 8,599.20 = 3,871.36 : x
  2. Step 2: Convert to fraction form
    6,228.16/8,599.20 = 3,871.36/x
  3. Step 3: Cross multiply
    6,228.16x = 8,599.20 × 3,871.36
  4. Step 4: Simplify right side
    6,228.16x = 33,290,598.91
  5. Step 5: Solve for x
    x = 33,290,598.91/6,228.16
  6. Step 6: Final answer
    x = 5,345.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.