Home / 6,487.02-9,731.34-2,104.92

Finding the Fourth Proportional to 6,487.02, 9,731.34 and 2,104.92

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Solution

The fourth proportional to 6,487.02, 9,731.34 and 2,104.92 is: 3,157.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,487.02 : 9,731.34 = 2,104.92 : x
  2. Step 2: Convert to fraction form
    6,487.02/9,731.34 = 2,104.92/x
  3. Step 3: Cross multiply
    6,487.02x = 9,731.34 × 2,104.92
  4. Step 4: Simplify right side
    6,487.02x = 20,483,692.19
  5. Step 5: Solve for x
    x = 20,483,692.19/6,487.02
  6. Step 6: Final answer
    x = 3,157.64

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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.