Home / 8,909.75-12,296.03-4,930.86

Finding the Fourth Proportional to 8,909.75, 12,296.03 and 4,930.86

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Solution

The fourth proportional to 8,909.75, 12,296.03 and 4,930.86 is: 6,804.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,909.75 : 12,296.03 = 4,930.86 : x
  2. Step 2: Convert to fraction form
    8,909.75/12,296.03 = 4,930.86/x
  3. Step 3: Cross multiply
    8,909.75x = 12,296.03 × 4,930.86
  4. Step 4: Simplify right side
    8,909.75x = 60,630,002.49
  5. Step 5: Solve for x
    x = 60,630,002.49/8,909.75
  6. Step 6: Final answer
    x = 6,804.91

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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.