Home / 5,124.32-7,071.64-3,028.64

Finding the Fourth Proportional to 5,124.32, 7,071.64 and 3,028.64

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Solution

The fourth proportional to 5,124.32, 7,071.64 and 3,028.64 is: 4,179.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,124.32 : 7,071.64 = 3,028.64 : x
  2. Step 2: Convert to fraction form
    5,124.32/7,071.64 = 3,028.64/x
  3. Step 3: Cross multiply
    5,124.32x = 7,071.64 × 3,028.64
  4. Step 4: Simplify right side
    5,124.32x = 21,417,451.77
  5. Step 5: Solve for x
    x = 21,417,451.77/5,124.32
  6. Step 6: Final answer
    x = 4,179.57

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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.