Home / 5,289.42-7,934.04-1,826.58

Finding the Fourth Proportional to 5,289.42, 7,934.04 and 1,826.58

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Solution

The fourth proportional to 5,289.42, 7,934.04 and 1,826.58 is: 2,739.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289.42 : 7,934.04 = 1,826.58 : x
  2. Step 2: Convert to fraction form
    5,289.42/7,934.04 = 1,826.58/x
  3. Step 3: Cross multiply
    5,289.42x = 7,934.04 × 1,826.58
  4. Step 4: Simplify right side
    5,289.42x = 14,492,158.78
  5. Step 5: Solve for x
    x = 14,492,158.78/5,289.42
  6. Step 6: Final answer
    x = 2,739.84

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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.