Home / 5,785.42-8,677.04-2,820.89

Finding the Fourth Proportional to 5,785.42, 8,677.04 and 2,820.89

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Solution

The fourth proportional to 5,785.42, 8,677.04 and 2,820.89 is: 4,230.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,785.42 : 8,677.04 = 2,820.89 : x
  2. Step 2: Convert to fraction form
    5,785.42/8,677.04 = 2,820.89/x
  3. Step 3: Cross multiply
    5,785.42x = 8,677.04 × 2,820.89
  4. Step 4: Simplify right side
    5,785.42x = 24,476,975.37
  5. Step 5: Solve for x
    x = 24,476,975.37/5,785.42
  6. Step 6: Final answer
    x = 4,230.80

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1.5x scale

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.