Home / 5,490.91-7,573.26-3,812.32

Finding the Fourth Proportional to 5,490.91, 7,573.26 and 3,812.32

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Solution

The fourth proportional to 5,490.91, 7,573.26 and 3,812.32 is: 5,258.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,490.91 : 7,573.26 = 3,812.32 : x
  2. Step 2: Convert to fraction form
    5,490.91/7,573.26 = 3,812.32/x
  3. Step 3: Cross multiply
    5,490.91x = 7,573.26 × 3,812.32
  4. Step 4: Simplify right side
    5,490.91x = 28,871,690.56
  5. Step 5: Solve for x
    x = 28,871,690.56/5,490.91
  6. Step 6: Final answer
    x = 5,258.09

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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.