Home / 6,211.76-8,570.31-3,558.66

Finding the Fourth Proportional to 6,211.76, 8,570.31 and 3,558.66

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Solution

The fourth proportional to 6,211.76, 8,570.31 and 3,558.66 is: 4,909.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,211.76 : 8,570.31 = 3,558.66 : x
  2. Step 2: Convert to fraction form
    6,211.76/8,570.31 = 3,558.66/x
  3. Step 3: Cross multiply
    6,211.76x = 8,570.31 × 3,558.66
  4. Step 4: Simplify right side
    6,211.76x = 30,498,798.00
  5. Step 5: Solve for x
    x = 30,498,798.00/6,211.76
  6. Step 6: Final answer
    x = 4,909.85

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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.