Home / 4,065.90-6,086.70-2,421.60

Finding the Fourth Proportional to 4,065.90, 6,086.70 and 2,421.60

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Solution

The fourth proportional to 4,065.90, 6,086.70 and 2,421.60 is: 3,625.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,065.90 : 6,086.70 = 2,421.60 : x
  2. Step 2: Convert to fraction form
    4,065.90/6,086.70 = 2,421.60/x
  3. Step 3: Cross multiply
    4,065.90x = 6,086.70 × 2,421.60
  4. Step 4: Simplify right side
    4,065.90x = 14,739,552.72
  5. Step 5: Solve for x
    x = 14,739,552.72/4,065.90
  6. Step 6: Final answer
    x = 3,625.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.