Home / 5,491.25-8,235.02-1,792.56

Finding the Fourth Proportional to 5,491.25, 8,235.02 and 1,792.56

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Solution

The fourth proportional to 5,491.25, 8,235.02 and 1,792.56 is: 2,688.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,491.25 : 8,235.02 = 1,792.56 : x
  2. Step 2: Convert to fraction form
    5,491.25/8,235.02 = 1,792.56/x
  3. Step 3: Cross multiply
    5,491.25x = 8,235.02 × 1,792.56
  4. Step 4: Simplify right side
    5,491.25x = 14,761,758.49
  5. Step 5: Solve for x
    x = 14,761,758.49/5,491.25
  6. Step 6: Final answer
    x = 2,688.24

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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.