Home / 5,391.50-7,440.99-3,529.58

Finding the Fourth Proportional to 5,391.50, 7,440.99 and 3,529.58

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Solution

The fourth proportional to 5,391.50, 7,440.99 and 3,529.58 is: 4,871.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391.50 : 7,440.99 = 3,529.58 : x
  2. Step 2: Convert to fraction form
    5,391.50/7,440.99 = 3,529.58/x
  3. Step 3: Cross multiply
    5,391.50x = 7,440.99 × 3,529.58
  4. Step 4: Simplify right side
    5,391.50x = 26,263,569.48
  5. Step 5: Solve for x
    x = 26,263,569.48/5,391.50
  6. Step 6: Final answer
    x = 4,871.29

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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.