Home / 5,226.80-7,211.90-3,102.03

Finding the Fourth Proportional to 5,226.80, 7,211.90 and 3,102.03

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Solution

The fourth proportional to 5,226.80, 7,211.90 and 3,102.03 is: 4,280.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,226.80 : 7,211.90 = 3,102.03 : x
  2. Step 2: Convert to fraction form
    5,226.80/7,211.90 = 3,102.03/x
  3. Step 3: Cross multiply
    5,226.80x = 7,211.90 × 3,102.03
  4. Step 4: Simplify right side
    5,226.80x = 22,371,509.61
  5. Step 5: Solve for x
    x = 22,371,509.61/5,226.80
  6. Step 6: Final answer
    x = 4,280.16

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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.