Home / 7,982.58-11,017.44-4,627.56

Finding the Fourth Proportional to 7,982.58, 11,017.44 and 4,627.56

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Solution

The fourth proportional to 7,982.58, 11,017.44 and 4,627.56 is: 6,386.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,982.58 : 11,017.44 = 4,627.56 : x
  2. Step 2: Convert to fraction form
    7,982.58/11,017.44 = 4,627.56/x
  3. Step 3: Cross multiply
    7,982.58x = 11,017.44 × 4,627.56
  4. Step 4: Simplify right side
    7,982.58x = 50,983,864.65
  5. Step 5: Solve for x
    x = 50,983,864.65/7,982.58
  6. Step 6: Final answer
    x = 6,386.89

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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.