Home / 8,387.65-11,574.71-4,610.81

Finding the Fourth Proportional to 8,387.65, 11,574.71 and 4,610.81

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Solution

The fourth proportional to 8,387.65, 11,574.71 and 4,610.81 is: 6,362.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,387.65 : 11,574.71 = 4,610.81 : x
  2. Step 2: Convert to fraction form
    8,387.65/11,574.71 = 4,610.81/x
  3. Step 3: Cross multiply
    8,387.65x = 11,574.71 × 4,610.81
  4. Step 4: Simplify right side
    8,387.65x = 53,368,765.56
  5. Step 5: Solve for x
    x = 53,368,765.56/8,387.65
  6. Step 6: Final answer
    x = 6,362.78

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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.