Home / 5,490.14-8,235.66-1,792.28

Finding the Fourth Proportional to 5,490.14, 8,235.66 and 1,792.28

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Solution

The fourth proportional to 5,490.14, 8,235.66 and 1,792.28 is: 2,688.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,490.14 : 8,235.66 = 1,792.28 : x
  2. Step 2: Convert to fraction form
    5,490.14/8,235.66 = 1,792.28/x
  3. Step 3: Cross multiply
    5,490.14x = 8,235.66 × 1,792.28
  4. Step 4: Simplify right side
    5,490.14x = 14,760,622.57
  5. Step 5: Solve for x
    x = 14,760,622.57/5,490.14
  6. Step 6: Final answer
    x = 2,688.57

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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.