Home / 6,246.11-8,619.95-3,557.39

Finding the Fourth Proportional to 6,246.11, 8,619.95 and 3,557.39

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Solution

The fourth proportional to 6,246.11, 8,619.95 and 3,557.39 is: 4,909.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,246.11 : 8,619.95 = 3,557.39 : x
  2. Step 2: Convert to fraction form
    6,246.11/8,619.95 = 3,557.39/x
  3. Step 3: Cross multiply
    6,246.11x = 8,619.95 × 3,557.39
  4. Step 4: Simplify right side
    6,246.11x = 30,664,489.72
  5. Step 5: Solve for x
    x = 30,664,489.72/6,246.11
  6. Step 6: Final answer
    x = 4,909.37

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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.