Home / 5,511.02-8,263.45-1,812.94

Finding the Fourth Proportional to 5,511.02, 8,263.45 and 1,812.94

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Solution

The fourth proportional to 5,511.02, 8,263.45 and 1,812.94 is: 2,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.02 : 8,263.45 = 1,812.94 : x
  2. Step 2: Convert to fraction form
    5,511.02/8,263.45 = 1,812.94/x
  3. Step 3: Cross multiply
    5,511.02x = 8,263.45 × 1,812.94
  4. Step 4: Simplify right side
    5,511.02x = 14,981,139.04
  5. Step 5: Solve for x
    x = 14,981,139.04/5,511.02
  6. Step 6: Final answer
    x = 2,718.40

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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.