Home / 4,989.98-7,490.16-3,675.22

Finding the Fourth Proportional to 4,989.98, 7,490.16 and 3,675.22

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Solution

The fourth proportional to 4,989.98, 7,490.16 and 3,675.22 is: 5,516.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.98 : 7,490.16 = 3,675.22 : x
  2. Step 2: Convert to fraction form
    4,989.98/7,490.16 = 3,675.22/x
  3. Step 3: Cross multiply
    4,989.98x = 7,490.16 × 3,675.22
  4. Step 4: Simplify right side
    4,989.98x = 27,527,967.11
  5. Step 5: Solve for x
    x = 27,527,967.11/4,989.98
  6. Step 6: Final answer
    x = 5,516.65

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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.