Home / 6,555.40-9,092.79-6,318.98

Finding the Fourth Proportional to 6,555.40, 9,092.79 and 6,318.98

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Solution

The fourth proportional to 6,555.40, 9,092.79 and 6,318.98 is: 8,764.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,555.40 : 9,092.79 = 6,318.98 : x
  2. Step 2: Convert to fraction form
    6,555.40/9,092.79 = 6,318.98/x
  3. Step 3: Cross multiply
    6,555.40x = 9,092.79 × 6,318.98
  4. Step 4: Simplify right side
    6,555.40x = 57,457,112.69
  5. Step 5: Solve for x
    x = 57,457,112.69/6,555.40
  6. Step 6: Final answer
    x = 8,764.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.