Home / 5,490.03-8,235.05-2,570.38

Finding the Fourth Proportional to 5,490.03, 8,235.05 and 2,570.38

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Solution

The fourth proportional to 5,490.03, 8,235.05 and 2,570.38 is: 3,855.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,490.03 : 8,235.05 = 2,570.38 : x
  2. Step 2: Convert to fraction form
    5,490.03/8,235.05 = 2,570.38/x
  3. Step 3: Cross multiply
    5,490.03x = 8,235.05 × 2,570.38
  4. Step 4: Simplify right side
    5,490.03x = 21,167,234.83
  5. Step 5: Solve for x
    x = 21,167,234.83/5,490.03
  6. Step 6: Final answer
    x = 3,855.58

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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.