Home / 6,187.89-8,539.18-3,499.08

Finding the Fourth Proportional to 6,187.89, 8,539.18 and 3,499.08

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Solution

The fourth proportional to 6,187.89, 8,539.18 and 3,499.08 is: 4,828.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,187.89 : 8,539.18 = 3,499.08 : x
  2. Step 2: Convert to fraction form
    6,187.89/8,539.18 = 3,499.08/x
  3. Step 3: Cross multiply
    6,187.89x = 8,539.18 × 3,499.08
  4. Step 4: Simplify right side
    6,187.89x = 29,879,233.18
  5. Step 5: Solve for x
    x = 29,879,233.18/6,187.89
  6. Step 6: Final answer
    x = 4,828.66

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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.