Home / 5,093.78-7,675.47-4,189.64

Finding the Fourth Proportional to 5,093.78, 7,675.47 and 4,189.64

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Solution

The fourth proportional to 5,093.78, 7,675.47 and 4,189.64 is: 6,313.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,093.78 : 7,675.47 = 4,189.64 : x
  2. Step 2: Convert to fraction form
    5,093.78/7,675.47 = 4,189.64/x
  3. Step 3: Cross multiply
    5,093.78x = 7,675.47 × 4,189.64
  4. Step 4: Simplify right side
    5,093.78x = 32,157,417.75
  5. Step 5: Solve for x
    x = 32,157,417.75/5,093.78
  6. Step 6: Final answer
    x = 6,313.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.