Home / 5,239.08-7,229.88-2,881.32

Finding the Fourth Proportional to 5,239.08, 7,229.88 and 2,881.32

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Solution

The fourth proportional to 5,239.08, 7,229.88 and 2,881.32 is: 3,976.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.08 : 7,229.88 = 2,881.32 : x
  2. Step 2: Convert to fraction form
    5,239.08/7,229.88 = 2,881.32/x
  3. Step 3: Cross multiply
    5,239.08x = 7,229.88 × 2,881.32
  4. Step 4: Simplify right side
    5,239.08x = 20,831,597.84
  5. Step 5: Solve for x
    x = 20,831,597.84/5,239.08
  6. Step 6: Final answer
    x = 3,976.19

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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.