Home / 5,019.95-6,927.01-2,781.77

Finding the Fourth Proportional to 5,019.95, 6,927.01 and 2,781.77

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Solution

The fourth proportional to 5,019.95, 6,927.01 and 2,781.77 is: 3,838.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,019.95 : 6,927.01 = 2,781.77 : x
  2. Step 2: Convert to fraction form
    5,019.95/6,927.01 = 2,781.77/x
  3. Step 3: Cross multiply
    5,019.95x = 6,927.01 × 2,781.77
  4. Step 4: Simplify right side
    5,019.95x = 19,269,348.61
  5. Step 5: Solve for x
    x = 19,269,348.61/5,019.95
  6. Step 6: Final answer
    x = 3,838.55

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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.