Home / 7,571.28-10,448.51-4,214.24

Finding the Fourth Proportional to 7,571.28, 10,448.51 and 4,214.24

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Solution

The fourth proportional to 7,571.28, 10,448.51 and 4,214.24 is: 5,815.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,571.28 : 10,448.51 = 4,214.24 : x
  2. Step 2: Convert to fraction form
    7,571.28/10,448.51 = 4,214.24/x
  3. Step 3: Cross multiply
    7,571.28x = 10,448.51 × 4,214.24
  4. Step 4: Simplify right side
    7,571.28x = 44,032,455.47
  5. Step 5: Solve for x
    x = 44,032,455.47/7,571.28
  6. Step 6: Final answer
    x = 5,815.72

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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.