Home / 5,669.12-8,503.76-1,971.44

Finding the Fourth Proportional to 5,669.12, 8,503.76 and 1,971.44

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Solution

The fourth proportional to 5,669.12, 8,503.76 and 1,971.44 is: 2,957.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,669.12 : 8,503.76 = 1,971.44 : x
  2. Step 2: Convert to fraction form
    5,669.12/8,503.76 = 1,971.44/x
  3. Step 3: Cross multiply
    5,669.12x = 8,503.76 × 1,971.44
  4. Step 4: Simplify right side
    5,669.12x = 16,764,646.91
  5. Step 5: Solve for x
    x = 16,764,646.91/5,669.12
  6. Step 6: Final answer
    x = 2,957.19

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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.