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Finding the Fourth Proportional to 5,369.94, 7,410.65 and 3,012.26

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Solution

The fourth proportional to 5,369.94, 7,410.65 and 3,012.26 is: 4,156.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,369.94 : 7,410.65 = 3,012.26 : x
  2. Step 2: Convert to fraction form
    5,369.94/7,410.65 = 3,012.26/x
  3. Step 3: Cross multiply
    5,369.94x = 7,410.65 × 3,012.26
  4. Step 4: Simplify right side
    5,369.94x = 22,322,752.45
  5. Step 5: Solve for x
    x = 22,322,752.45/5,369.94
  6. Step 6: Final answer
    x = 4,156.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.