Home / 5,470.10-8,185.70-3,150.26

Finding the Fourth Proportional to 5,470.10, 8,185.70 and 3,150.26

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Solution

The fourth proportional to 5,470.10, 8,185.70 and 3,150.26 is: 4,714.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,470.10 : 8,185.70 = 3,150.26 : x
  2. Step 2: Convert to fraction form
    5,470.10/8,185.70 = 3,150.26/x
  3. Step 3: Cross multiply
    5,470.10x = 8,185.70 × 3,150.26
  4. Step 4: Simplify right side
    5,470.10x = 25,787,083.28
  5. Step 5: Solve for x
    x = 25,787,083.28/5,470.10
  6. Step 6: Final answer
    x = 4,714.19

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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.