Home / 8,910.35-12,296.37-4,931.70

Finding the Fourth Proportional to 8,910.35, 12,296.37 and 4,931.70

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Solution

The fourth proportional to 8,910.35, 12,296.37 and 4,931.70 is: 6,805.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,910.35 : 12,296.37 = 4,931.70 : x
  2. Step 2: Convert to fraction form
    8,910.35/12,296.37 = 4,931.70/x
  3. Step 3: Cross multiply
    8,910.35x = 12,296.37 × 4,931.70
  4. Step 4: Simplify right side
    8,910.35x = 60,642,007.93
  5. Step 5: Solve for x
    x = 60,642,007.93/8,910.35
  6. Step 6: Final answer
    x = 6,805.79

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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.