Home / 5,778.95-7,974.93-3,126.35

Finding the Fourth Proportional to 5,778.95, 7,974.93 and 3,126.35

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Solution

The fourth proportional to 5,778.95, 7,974.93 and 3,126.35 is: 4,314.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,778.95 : 7,974.93 = 3,126.35 : x
  2. Step 2: Convert to fraction form
    5,778.95/7,974.93 = 3,126.35/x
  3. Step 3: Cross multiply
    5,778.95x = 7,974.93 × 3,126.35
  4. Step 4: Simplify right side
    5,778.95x = 24,932,382.53
  5. Step 5: Solve for x
    x = 24,932,382.53/5,778.95
  6. Step 6: Final answer
    x = 4,314.35

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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.