Home / 7,571.76-10,449.08-4,427.32

Finding the Fourth Proportional to 7,571.76, 10,449.08 and 4,427.32

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Solution

The fourth proportional to 7,571.76, 10,449.08 and 4,427.32 is: 6,109.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,571.76 : 10,449.08 = 4,427.32 : x
  2. Step 2: Convert to fraction form
    7,571.76/10,449.08 = 4,427.32/x
  3. Step 3: Cross multiply
    7,571.76x = 10,449.08 × 4,427.32
  4. Step 4: Simplify right side
    7,571.76x = 46,261,420.87
  5. Step 5: Solve for x
    x = 46,261,420.87/7,571.76
  6. Step 6: Final answer
    x = 6,109.73

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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.