Home / 7,571.32-10,447.43-4,214.28

Finding the Fourth Proportional to 7,571.32, 10,447.43 and 4,214.28

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Solution

The fourth proportional to 7,571.32, 10,447.43 and 4,214.28 is: 5,815.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,571.32 : 10,447.43 = 4,214.28 : x
  2. Step 2: Convert to fraction form
    7,571.32/10,447.43 = 4,214.28/x
  3. Step 3: Cross multiply
    7,571.32x = 10,447.43 × 4,214.28
  4. Step 4: Simplify right side
    7,571.32x = 44,028,374.56
  5. Step 5: Solve for x
    x = 44,028,374.56/7,571.32
  6. Step 6: Final answer
    x = 5,815.15

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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.