Home / 6,539.76-9,808.92-2,158.20

Finding the Fourth Proportional to 6,539.76, 9,808.92 and 2,158.20

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Solution

The fourth proportional to 6,539.76, 9,808.92 and 2,158.20 is: 3,237.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,539.76 : 9,808.92 = 2,158.20 : x
  2. Step 2: Convert to fraction form
    6,539.76/9,808.92 = 2,158.20/x
  3. Step 3: Cross multiply
    6,539.76x = 9,808.92 × 2,158.20
  4. Step 4: Simplify right side
    6,539.76x = 21,169,611.14
  5. Step 5: Solve for x
    x = 21,169,611.14/6,539.76
  6. Step 6: Final answer
    x = 3,237.06

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1.5x scale

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.