Home / 4,578.86-6,871.11-1,805.05

Finding the Fourth Proportional to 4,578.86, 6,871.11 and 1,805.05

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Solution

The fourth proportional to 4,578.86, 6,871.11 and 1,805.05 is: 2,708.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,578.86 : 6,871.11 = 1,805.05 : x
  2. Step 2: Convert to fraction form
    4,578.86/6,871.11 = 1,805.05/x
  3. Step 3: Cross multiply
    4,578.86x = 6,871.11 × 1,805.05
  4. Step 4: Simplify right side
    4,578.86x = 12,402,697.11
  5. Step 5: Solve for x
    x = 12,402,697.11/4,578.86
  6. Step 6: Final answer
    x = 2,708.69

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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.