Home / 5,509.13-8,264.10-1,811.28

Finding the Fourth Proportional to 5,509.13, 8,264.10 and 1,811.28

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Solution

The fourth proportional to 5,509.13, 8,264.10 and 1,811.28 is: 2,717.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509.13 : 8,264.10 = 1,811.28 : x
  2. Step 2: Convert to fraction form
    5,509.13/8,264.10 = 1,811.28/x
  3. Step 3: Cross multiply
    5,509.13x = 8,264.10 × 1,811.28
  4. Step 4: Simplify right side
    5,509.13x = 14,968,599.05
  5. Step 5: Solve for x
    x = 14,968,599.05/5,509.13
  6. Step 6: Final answer
    x = 2,717.06

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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.