Home / 5,188.23-7,159.32-2,949.39

Finding the Fourth Proportional to 5,188.23, 7,159.32 and 2,949.39

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Solution

The fourth proportional to 5,188.23, 7,159.32 and 2,949.39 is: 4,069.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188.23 : 7,159.32 = 2,949.39 : x
  2. Step 2: Convert to fraction form
    5,188.23/7,159.32 = 2,949.39/x
  3. Step 3: Cross multiply
    5,188.23x = 7,159.32 × 2,949.39
  4. Step 4: Simplify right side
    5,188.23x = 21,115,626.81
  5. Step 5: Solve for x
    x = 21,115,626.81/5,188.23
  6. Step 6: Final answer
    x = 4,069.91

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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.