Home / 5,019.80-6,926.98-2,781.52

Finding the Fourth Proportional to 5,019.80, 6,926.98 and 2,781.52

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Solution

The fourth proportional to 5,019.80, 6,926.98 and 2,781.52 is: 3,838.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,019.80 : 6,926.98 = 2,781.52 : x
  2. Step 2: Convert to fraction form
    5,019.80/6,926.98 = 2,781.52/x
  3. Step 3: Cross multiply
    5,019.80x = 6,926.98 × 2,781.52
  4. Step 4: Simplify right side
    5,019.80x = 19,267,533.41
  5. Step 5: Solve for x
    x = 19,267,533.41/5,019.80
  6. Step 6: Final answer
    x = 3,838.31

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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.