Home / 4,485.34-6,723.46-1,854.71

Finding the Fourth Proportional to 4,485.34, 6,723.46 and 1,854.71

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Solution

The fourth proportional to 4,485.34, 6,723.46 and 1,854.71 is: 2,780.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,485.34 : 6,723.46 = 1,854.71 : x
  2. Step 2: Convert to fraction form
    4,485.34/6,723.46 = 1,854.71/x
  3. Step 3: Cross multiply
    4,485.34x = 6,723.46 × 1,854.71
  4. Step 4: Simplify right side
    4,485.34x = 12,470,089.80
  5. Step 5: Solve for x
    x = 12,470,089.80/4,485.34
  6. Step 6: Final answer
    x = 2,780.19

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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.