Home / 5,111.91-7,670.19-4,622.87

Finding the Fourth Proportional to 5,111.91, 7,670.19 and 4,622.87

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Solution

The fourth proportional to 5,111.91, 7,670.19 and 4,622.87 is: 6,936.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,111.91 : 7,670.19 = 4,622.87 : x
  2. Step 2: Convert to fraction form
    5,111.91/7,670.19 = 4,622.87/x
  3. Step 3: Cross multiply
    5,111.91x = 7,670.19 × 4,622.87
  4. Step 4: Simplify right side
    5,111.91x = 35,458,327.76
  5. Step 5: Solve for x
    x = 35,458,327.76/5,111.91
  6. Step 6: Final answer
    x = 6,936.41

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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.