Home / 5,166.54-7,129.46-3,070.26

Finding the Fourth Proportional to 5,166.54, 7,129.46 and 3,070.26

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Solution

The fourth proportional to 5,166.54, 7,129.46 and 3,070.26 is: 4,236.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,166.54 : 7,129.46 = 3,070.26 : x
  2. Step 2: Convert to fraction form
    5,166.54/7,129.46 = 3,070.26/x
  3. Step 3: Cross multiply
    5,166.54x = 7,129.46 × 3,070.26
  4. Step 4: Simplify right side
    5,166.54x = 21,889,295.86
  5. Step 5: Solve for x
    x = 21,889,295.86/5,166.54
  6. Step 6: Final answer
    x = 4,236.74

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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.