Home / 5,510.48-8,263.96-1,811.86

Finding the Fourth Proportional to 5,510.48, 8,263.96 and 1,811.86

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Solution

The fourth proportional to 5,510.48, 8,263.96 and 1,811.86 is: 2,717.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,510.48 : 8,263.96 = 1,811.86 : x
  2. Step 2: Convert to fraction form
    5,510.48/8,263.96 = 1,811.86/x
  3. Step 3: Cross multiply
    5,510.48x = 8,263.96 × 1,811.86
  4. Step 4: Simplify right side
    5,510.48x = 14,973,138.57
  5. Step 5: Solve for x
    x = 14,973,138.57/5,510.48
  6. Step 6: Final answer
    x = 2,717.21

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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.