Home / 5,509.63-8,264.96-1,811.87

Finding the Fourth Proportional to 5,509.63, 8,264.96 and 1,811.87

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Solution

The fourth proportional to 5,509.63, 8,264.96 and 1,811.87 is: 2,717.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509.63 : 8,264.96 = 1,811.87 : x
  2. Step 2: Convert to fraction form
    5,509.63/8,264.96 = 1,811.87/x
  3. Step 3: Cross multiply
    5,509.63x = 8,264.96 × 1,811.87
  4. Step 4: Simplify right side
    5,509.63x = 14,975,058.27
  5. Step 5: Solve for x
    x = 14,975,058.27/5,509.63
  6. Step 6: Final answer
    x = 2,717.98

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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.