Home / 7,327.65-10,112.14-3,970.54

Finding the Fourth Proportional to 7,327.65, 10,112.14 and 3,970.54

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Solution

The fourth proportional to 7,327.65, 10,112.14 and 3,970.54 is: 5,479.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,327.65 : 10,112.14 = 3,970.54 : x
  2. Step 2: Convert to fraction form
    7,327.65/10,112.14 = 3,970.54/x
  3. Step 3: Cross multiply
    7,327.65x = 10,112.14 × 3,970.54
  4. Step 4: Simplify right side
    7,327.65x = 40,150,673.96
  5. Step 5: Solve for x
    x = 40,150,673.96/7,327.65
  6. Step 6: Final answer
    x = 5,479.34

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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.