Home / 5,697.15-8,537.49-2,405.72

Finding the Fourth Proportional to 5,697.15, 8,537.49 and 2,405.72

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Solution

The fourth proportional to 5,697.15, 8,537.49 and 2,405.72 is: 3,605.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,697.15 : 8,537.49 = 2,405.72 : x
  2. Step 2: Convert to fraction form
    5,697.15/8,537.49 = 2,405.72/x
  3. Step 3: Cross multiply
    5,697.15x = 8,537.49 × 2,405.72
  4. Step 4: Simplify right side
    5,697.15x = 20,538,767.76
  5. Step 5: Solve for x
    x = 20,538,767.76/5,697.15
  6. Step 6: Final answer
    x = 3,605.10

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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.