Home / 4,667.95-6,438.92-2,778.27

Finding the Fourth Proportional to 4,667.95, 6,438.92 and 2,778.27

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Solution

The fourth proportional to 4,667.95, 6,438.92 and 2,778.27 is: 3,832.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,667.95 : 6,438.92 = 2,778.27 : x
  2. Step 2: Convert to fraction form
    4,667.95/6,438.92 = 2,778.27/x
  3. Step 3: Cross multiply
    4,667.95x = 6,438.92 × 2,778.27
  4. Step 4: Simplify right side
    4,667.95x = 17,889,058.27
  5. Step 5: Solve for x
    x = 17,889,058.27/4,667.95
  6. Step 6: Final answer
    x = 3,832.32

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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.