Home / 5,491.80-8,232.30-2,718.90

Finding the Fourth Proportional to 5,491.80, 8,232.30 and 2,718.90

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Solution

The fourth proportional to 5,491.80, 8,232.30 and 2,718.90 is: 4,075.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,491.80 : 8,232.30 = 2,718.90 : x
  2. Step 2: Convert to fraction form
    5,491.80/8,232.30 = 2,718.90/x
  3. Step 3: Cross multiply
    5,491.80x = 8,232.30 × 2,718.90
  4. Step 4: Simplify right side
    5,491.80x = 22,382,800.47
  5. Step 5: Solve for x
    x = 22,382,800.47/5,491.80
  6. Step 6: Final answer
    x = 4,075.68

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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.