Home / 7,646.87-11,470.17-2,100.20

Finding the Fourth Proportional to 7,646.87, 11,470.17 and 2,100.20

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Solution

The fourth proportional to 7,646.87, 11,470.17 and 2,100.20 is: 3,150.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,646.87 : 11,470.17 = 2,100.20 : x
  2. Step 2: Convert to fraction form
    7,646.87/11,470.17 = 2,100.20/x
  3. Step 3: Cross multiply
    7,646.87x = 11,470.17 × 2,100.20
  4. Step 4: Simplify right side
    7,646.87x = 24,089,601.56
  5. Step 5: Solve for x
    x = 24,089,601.56/7,646.87
  6. Step 6: Final answer
    x = 3,150.26

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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.