Home / 6,687.80-9,228.96-4,036.76

Finding the Fourth Proportional to 6,687.80, 9,228.96 and 4,036.76

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Solution

The fourth proportional to 6,687.80, 9,228.96 and 4,036.76 is: 5,570.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,687.80 : 9,228.96 = 4,036.76 : x
  2. Step 2: Convert to fraction form
    6,687.80/9,228.96 = 4,036.76/x
  3. Step 3: Cross multiply
    6,687.80x = 9,228.96 × 4,036.76
  4. Step 4: Simplify right side
    6,687.80x = 37,255,096.57
  5. Step 5: Solve for x
    x = 37,255,096.57/6,687.80
  6. Step 6: Final answer
    x = 5,570.61

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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.