Home / 4,617.81-6,929.55-2,151.36

Finding the Fourth Proportional to 4,617.81, 6,929.55 and 2,151.36

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Solution

The fourth proportional to 4,617.81, 6,929.55 and 2,151.36 is: 3,228.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,617.81 : 6,929.55 = 2,151.36 : x
  2. Step 2: Convert to fraction form
    4,617.81/6,929.55 = 2,151.36/x
  3. Step 3: Cross multiply
    4,617.81x = 6,929.55 × 2,151.36
  4. Step 4: Simplify right side
    4,617.81x = 14,907,956.69
  5. Step 5: Solve for x
    x = 14,907,956.69/4,617.81
  6. Step 6: Final answer
    x = 3,228.36

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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.