Home / 4,778.35-6,594.19-2,890.15

Finding the Fourth Proportional to 4,778.35, 6,594.19 and 2,890.15

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Solution

The fourth proportional to 4,778.35, 6,594.19 and 2,890.15 is: 3,988.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,778.35 : 6,594.19 = 2,890.15 : x
  2. Step 2: Convert to fraction form
    4,778.35/6,594.19 = 2,890.15/x
  3. Step 3: Cross multiply
    4,778.35x = 6,594.19 × 2,890.15
  4. Step 4: Simplify right side
    4,778.35x = 19,058,174.52
  5. Step 5: Solve for x
    x = 19,058,174.52/4,778.35
  6. Step 6: Final answer
    x = 3,988.44

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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.