Home / 6,187.71-8,539.15-3,355.18

Finding the Fourth Proportional to 6,187.71, 8,539.15 and 3,355.18

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Solution

The fourth proportional to 6,187.71, 8,539.15 and 3,355.18 is: 4,630.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,187.71 : 8,539.15 = 3,355.18 : x
  2. Step 2: Convert to fraction form
    6,187.71/8,539.15 = 3,355.18/x
  3. Step 3: Cross multiply
    6,187.71x = 8,539.15 × 3,355.18
  4. Step 4: Simplify right side
    6,187.71x = 28,650,361.85
  5. Step 5: Solve for x
    x = 28,650,361.85/6,187.71
  6. Step 6: Final answer
    x = 4,630.21

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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.