Home / 5,124.36-7,071.60-2,886.30

Finding the Fourth Proportional to 5,124.36, 7,071.60 and 2,886.30

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Solution

The fourth proportional to 5,124.36, 7,071.60 and 2,886.30 is: 3,983.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,124.36 : 7,071.60 = 2,886.30 : x
  2. Step 2: Convert to fraction form
    5,124.36/7,071.60 = 2,886.30/x
  3. Step 3: Cross multiply
    5,124.36x = 7,071.60 × 2,886.30
  4. Step 4: Simplify right side
    5,124.36x = 20,410,759.08
  5. Step 5: Solve for x
    x = 20,410,759.08/5,124.36
  6. Step 6: Final answer
    x = 3,983.08

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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.