Home / 5,142.63-7,703.61-2,365.43

Finding the Fourth Proportional to 5,142.63, 7,703.61 and 2,365.43

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Solution

The fourth proportional to 5,142.63, 7,703.61 and 2,365.43 is: 3,543.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,142.63 : 7,703.61 = 2,365.43 : x
  2. Step 2: Convert to fraction form
    5,142.63/7,703.61 = 2,365.43/x
  3. Step 3: Cross multiply
    5,142.63x = 7,703.61 × 2,365.43
  4. Step 4: Simplify right side
    5,142.63x = 18,222,311.68
  5. Step 5: Solve for x
    x = 18,222,311.68/5,142.63
  6. Step 6: Final answer
    x = 3,543.38

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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.