Home / 5,362.20-8,042.81-1,851.89

Finding the Fourth Proportional to 5,362.20, 8,042.81 and 1,851.89

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Solution

The fourth proportional to 5,362.20, 8,042.81 and 1,851.89 is: 2,777.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,362.20 : 8,042.81 = 1,851.89 : x
  2. Step 2: Convert to fraction form
    5,362.20/8,042.81 = 1,851.89/x
  3. Step 3: Cross multiply
    5,362.20x = 8,042.81 × 1,851.89
  4. Step 4: Simplify right side
    5,362.20x = 14,894,349.94
  5. Step 5: Solve for x
    x = 14,894,349.94/5,362.20
  6. Step 6: Final answer
    x = 2,777.66

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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.