Home / 5,181.06-7,147.58-3,501.85

Finding the Fourth Proportional to 5,181.06, 7,147.58 and 3,501.85

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Solution

The fourth proportional to 5,181.06, 7,147.58 and 3,501.85 is: 4,831.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.06 : 7,147.58 = 3,501.85 : x
  2. Step 2: Convert to fraction form
    5,181.06/7,147.58 = 3,501.85/x
  3. Step 3: Cross multiply
    5,181.06x = 7,147.58 × 3,501.85
  4. Step 4: Simplify right side
    5,181.06x = 25,029,753.02
  5. Step 5: Solve for x
    x = 25,029,753.02/5,181.06
  6. Step 6: Final answer
    x = 4,831.01

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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.