Home / 8,154.47-12,235.81-3,228.26

Finding the Fourth Proportional to 8,154.47, 12,235.81 and 3,228.26

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Solution

The fourth proportional to 8,154.47, 12,235.81 and 3,228.26 is: 4,844.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,154.47 : 12,235.81 = 3,228.26 : x
  2. Step 2: Convert to fraction form
    8,154.47/12,235.81 = 3,228.26/x
  3. Step 3: Cross multiply
    8,154.47x = 12,235.81 × 3,228.26
  4. Step 4: Simplify right side
    8,154.47x = 39,500,312.79
  5. Step 5: Solve for x
    x = 39,500,312.79/8,154.47
  6. Step 6: Final answer
    x = 4,844.01

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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.