Home / 6,778.51-9,357.30-4,865.70

Finding the Fourth Proportional to 6,778.51, 9,357.30 and 4,865.70

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Solution

The fourth proportional to 6,778.51, 9,357.30 and 4,865.70 is: 6,716.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,778.51 : 9,357.30 = 4,865.70 : x
  2. Step 2: Convert to fraction form
    6,778.51/9,357.30 = 4,865.70/x
  3. Step 3: Cross multiply
    6,778.51x = 9,357.30 × 4,865.70
  4. Step 4: Simplify right side
    6,778.51x = 45,529,814.61
  5. Step 5: Solve for x
    x = 45,529,814.61/6,778.51
  6. Step 6: Final answer
    x = 6,716.79

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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.