Home / 5,474.02-8,211.95-2,187.18

Finding the Fourth Proportional to 5,474.02, 8,211.95 and 2,187.18

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Solution

The fourth proportional to 5,474.02, 8,211.95 and 2,187.18 is: 3,281.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,474.02 : 8,211.95 = 2,187.18 : x
  2. Step 2: Convert to fraction form
    5,474.02/8,211.95 = 2,187.18/x
  3. Step 3: Cross multiply
    5,474.02x = 8,211.95 × 2,187.18
  4. Step 4: Simplify right side
    5,474.02x = 17,961,012.80
  5. Step 5: Solve for x
    x = 17,961,012.80/5,474.02
  6. Step 6: Final answer
    x = 3,281.14

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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.