Home / 4,784.71-7,176.68-2,152.36

Finding the Fourth Proportional to 4,784.71, 7,176.68 and 2,152.36

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Solution

The fourth proportional to 4,784.71, 7,176.68 and 2,152.36 is: 3,228.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,784.71 : 7,176.68 = 2,152.36 : x
  2. Step 2: Convert to fraction form
    4,784.71/7,176.68 = 2,152.36/x
  3. Step 3: Cross multiply
    4,784.71x = 7,176.68 × 2,152.36
  4. Step 4: Simplify right side
    4,784.71x = 15,446,798.96
  5. Step 5: Solve for x
    x = 15,446,798.96/4,784.71
  6. Step 6: Final answer
    x = 3,228.37

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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.