Home / 6,246.40-8,620.52-3,557.73

Finding the Fourth Proportional to 6,246.40, 8,620.52 and 3,557.73

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Solution

The fourth proportional to 6,246.40, 8,620.52 and 3,557.73 is: 4,909.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,246.40 : 8,620.52 = 3,557.73 : x
  2. Step 2: Convert to fraction form
    6,246.40/8,620.52 = 3,557.73/x
  3. Step 3: Cross multiply
    6,246.40x = 8,620.52 × 3,557.73
  4. Step 4: Simplify right side
    6,246.40x = 30,669,421.73
  5. Step 5: Solve for x
    x = 30,669,421.73/6,246.40
  6. Step 6: Final answer
    x = 4,909.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.