Home / 5,509.54-8,256.99-2,581.69

Finding the Fourth Proportional to 5,509.54, 8,256.99 and 2,581.69

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Solution

The fourth proportional to 5,509.54, 8,256.99 and 2,581.69 is: 3,869.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509.54 : 8,256.99 = 2,581.69 : x
  2. Step 2: Convert to fraction form
    5,509.54/8,256.99 = 2,581.69/x
  3. Step 3: Cross multiply
    5,509.54x = 8,256.99 × 2,581.69
  4. Step 4: Simplify right side
    5,509.54x = 21,316,988.51
  5. Step 5: Solve for x
    x = 21,316,988.51/5,509.54
  6. Step 6: Final answer
    x = 3,869.10

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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.