Home / 5,018.60-7,527.90-3,722.60

Finding the Fourth Proportional to 5,018.60, 7,527.90 and 3,722.60

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Solution

The fourth proportional to 5,018.60, 7,527.90 and 3,722.60 is: 5,583.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,018.60 : 7,527.90 = 3,722.60 : x
  2. Step 2: Convert to fraction form
    5,018.60/7,527.90 = 3,722.60/x
  3. Step 3: Cross multiply
    5,018.60x = 7,527.90 × 3,722.60
  4. Step 4: Simplify right side
    5,018.60x = 28,023,360.54
  5. Step 5: Solve for x
    x = 28,023,360.54/5,018.60
  6. Step 6: Final answer
    x = 5,583.90

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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.