Home / 5,638.26-8,461.02-2,175.50

Finding the Fourth Proportional to 5,638.26, 8,461.02 and 2,175.50

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Solution

The fourth proportional to 5,638.26, 8,461.02 and 2,175.50 is: 3,264.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638.26 : 8,461.02 = 2,175.50 : x
  2. Step 2: Convert to fraction form
    5,638.26/8,461.02 = 2,175.50/x
  3. Step 3: Cross multiply
    5,638.26x = 8,461.02 × 2,175.50
  4. Step 4: Simplify right side
    5,638.26x = 18,406,949.01
  5. Step 5: Solve for x
    x = 18,406,949.01/5,638.26
  6. Step 6: Final answer
    x = 3,264.65

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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.