Home / 5,151.08-7,109.34-3,056.60

Finding the Fourth Proportional to 5,151.08, 7,109.34 and 3,056.60

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Solution

The fourth proportional to 5,151.08, 7,109.34 and 3,056.60 is: 4,218.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151.08 : 7,109.34 = 3,056.60 : x
  2. Step 2: Convert to fraction form
    5,151.08/7,109.34 = 3,056.60/x
  3. Step 3: Cross multiply
    5,151.08x = 7,109.34 × 3,056.60
  4. Step 4: Simplify right side
    5,151.08x = 21,730,408.64
  5. Step 5: Solve for x
    x = 21,730,408.64/5,151.08
  6. Step 6: Final answer
    x = 4,218.61

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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.