Home / 5,420.44-8,130.65-1,524.85

Finding the Fourth Proportional to 5,420.44, 8,130.65 and 1,524.85

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Solution

The fourth proportional to 5,420.44, 8,130.65 and 1,524.85 is: 2,287.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,420.44 : 8,130.65 = 1,524.85 : x
  2. Step 2: Convert to fraction form
    5,420.44/8,130.65 = 1,524.85/x
  3. Step 3: Cross multiply
    5,420.44x = 8,130.65 × 1,524.85
  4. Step 4: Simplify right side
    5,420.44x = 12,398,021.65
  5. Step 5: Solve for x
    x = 12,398,021.65/5,420.44
  6. Step 6: Final answer
    x = 2,287.27

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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.