Home / 5,800.40-8,004.44-3,147.80

Finding the Fourth Proportional to 5,800.40, 8,004.44 and 3,147.80

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Solution

The fourth proportional to 5,800.40, 8,004.44 and 3,147.80 is: 4,343.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,800.40 : 8,004.44 = 3,147.80 : x
  2. Step 2: Convert to fraction form
    5,800.40/8,004.44 = 3,147.80/x
  3. Step 3: Cross multiply
    5,800.40x = 8,004.44 × 3,147.80
  4. Step 4: Simplify right side
    5,800.40x = 25,196,376.23
  5. Step 5: Solve for x
    x = 25,196,376.23/5,800.40
  6. Step 6: Final answer
    x = 4,343.90

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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.