Home / 5,818.86-8,727.56-1,869.81

Finding the Fourth Proportional to 5,818.86, 8,727.56 and 1,869.81

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Solution

The fourth proportional to 5,818.86, 8,727.56 and 1,869.81 is: 2,804.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,818.86 : 8,727.56 = 1,869.81 : x
  2. Step 2: Convert to fraction form
    5,818.86/8,727.56 = 1,869.81/x
  3. Step 3: Cross multiply
    5,818.86x = 8,727.56 × 1,869.81
  4. Step 4: Simplify right side
    5,818.86x = 16,318,869.61
  5. Step 5: Solve for x
    x = 16,318,869.61/5,818.86
  6. Step 6: Final answer
    x = 2,804.48

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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.