Home / 5,019.84-6,924.96-3,898.80

Finding the Fourth Proportional to 5,019.84, 6,924.96 and 3,898.80

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Solution

The fourth proportional to 5,019.84, 6,924.96 and 3,898.80 is: 5,378.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,019.84 : 6,924.96 = 3,898.80 : x
  2. Step 2: Convert to fraction form
    5,019.84/6,924.96 = 3,898.80/x
  3. Step 3: Cross multiply
    5,019.84x = 6,924.96 × 3,898.80
  4. Step 4: Simplify right side
    5,019.84x = 26,999,034.05
  5. Step 5: Solve for x
    x = 26,999,034.05/5,019.84
  6. Step 6: Final answer
    x = 5,378.47

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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.