Home / 6,114.75-8,438.33-3,320.25

Finding the Fourth Proportional to 6,114.75, 8,438.33 and 3,320.25

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Solution

The fourth proportional to 6,114.75, 8,438.33 and 3,320.25 is: 4,581.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,114.75 : 8,438.33 = 3,320.25 : x
  2. Step 2: Convert to fraction form
    6,114.75/8,438.33 = 3,320.25/x
  3. Step 3: Cross multiply
    6,114.75x = 8,438.33 × 3,320.25
  4. Step 4: Simplify right side
    6,114.75x = 28,017,348.58
  5. Step 5: Solve for x
    x = 28,017,348.58/6,114.75
  6. Step 6: Final answer
    x = 4,581.93

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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.