Home / 5,019.14-6,929.88-3,838.16

Finding the Fourth Proportional to 5,019.14, 6,929.88 and 3,838.16

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Solution

The fourth proportional to 5,019.14, 6,929.88 and 3,838.16 is: 5,299.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,019.14 : 6,929.88 = 3,838.16 : x
  2. Step 2: Convert to fraction form
    5,019.14/6,929.88 = 3,838.16/x
  3. Step 3: Cross multiply
    5,019.14x = 6,929.88 × 3,838.16
  4. Step 4: Simplify right side
    5,019.14x = 26,597,988.22
  5. Step 5: Solve for x
    x = 26,597,988.22/5,019.14
  6. Step 6: Final answer
    x = 5,299.31

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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.