Home / 6,519.40-9,780.90-3,232.60

Finding the Fourth Proportional to 6,519.40, 9,780.90 and 3,232.60

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Solution

The fourth proportional to 6,519.40, 9,780.90 and 3,232.60 is: 4,849.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,519.40 : 9,780.90 = 3,232.60 : x
  2. Step 2: Convert to fraction form
    6,519.40/9,780.90 = 3,232.60/x
  3. Step 3: Cross multiply
    6,519.40x = 9,780.90 × 3,232.60
  4. Step 4: Simplify right side
    6,519.40x = 31,617,737.34
  5. Step 5: Solve for x
    x = 31,617,737.34/6,519.40
  6. Step 6: Final answer
    x = 4,849.79

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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.