Home / 5,378.94-8,058.69-2,783.70

Finding the Fourth Proportional to 5,378.94, 8,058.69 and 2,783.70

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Solution

The fourth proportional to 5,378.94, 8,058.69 and 2,783.70 is: 4,170.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378.94 : 8,058.69 = 2,783.70 : x
  2. Step 2: Convert to fraction form
    5,378.94/8,058.69 = 2,783.70/x
  3. Step 3: Cross multiply
    5,378.94x = 8,058.69 × 2,783.70
  4. Step 4: Simplify right side
    5,378.94x = 22,432,975.35
  5. Step 5: Solve for x
    x = 22,432,975.35/5,378.94
  6. Step 6: Final answer
    x = 4,170.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.