Home / 4,185.86-6,276.35-1,587.38

Finding the Fourth Proportional to 4,185.86, 6,276.35 and 1,587.38

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Solution

The fourth proportional to 4,185.86, 6,276.35 and 1,587.38 is: 2,380.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,185.86 : 6,276.35 = 1,587.38 : x
  2. Step 2: Convert to fraction form
    4,185.86/6,276.35 = 1,587.38/x
  3. Step 3: Cross multiply
    4,185.86x = 6,276.35 × 1,587.38
  4. Step 4: Simplify right side
    4,185.86x = 9,962,925.05
  5. Step 5: Solve for x
    x = 9,962,925.05/4,185.86
  6. Step 6: Final answer
    x = 2,380.14

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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.