Home / 8,196.77-11,311.58-4,659.91

Finding the Fourth Proportional to 8,196.77, 11,311.58 and 4,659.91

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Solution

The fourth proportional to 8,196.77, 11,311.58 and 4,659.91 is: 6,430.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,196.77 : 11,311.58 = 4,659.91 : x
  2. Step 2: Convert to fraction form
    8,196.77/11,311.58 = 4,659.91/x
  3. Step 3: Cross multiply
    8,196.77x = 11,311.58 × 4,659.91
  4. Step 4: Simplify right side
    8,196.77x = 52,710,944.76
  5. Step 5: Solve for x
    x = 52,710,944.76/8,196.77
  6. Step 6: Final answer
    x = 6,430.70

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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.