Home / 5,863.20-8,090.69-3,210.54

Finding the Fourth Proportional to 5,863.20, 8,090.69 and 3,210.54

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Solution

The fourth proportional to 5,863.20, 8,090.69 and 3,210.54 is: 4,430.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,863.20 : 8,090.69 = 3,210.54 : x
  2. Step 2: Convert to fraction form
    5,863.20/8,090.69 = 3,210.54/x
  3. Step 3: Cross multiply
    5,863.20x = 8,090.69 × 3,210.54
  4. Step 4: Simplify right side
    5,863.20x = 25,975,467.82
  5. Step 5: Solve for x
    x = 25,975,467.82/5,863.20
  6. Step 6: Final answer
    x = 4,430.25

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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.