Home / 5,490.01-8,226.38-4,243.65

Finding the Fourth Proportional to 5,490.01, 8,226.38 and 4,243.65

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Solution

The fourth proportional to 5,490.01, 8,226.38 and 4,243.65 is: 6,358.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,490.01 : 8,226.38 = 4,243.65 : x
  2. Step 2: Convert to fraction form
    5,490.01/8,226.38 = 4,243.65/x
  3. Step 3: Cross multiply
    5,490.01x = 8,226.38 × 4,243.65
  4. Step 4: Simplify right side
    5,490.01x = 34,909,877.49
  5. Step 5: Solve for x
    x = 34,909,877.49/5,490.01
  6. Step 6: Final answer
    x = 6,358.80

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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.