Home / 6,421.48-9,629.34-2,260.26

Finding the Fourth Proportional to 6,421.48, 9,629.34 and 2,260.26

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Solution

The fourth proportional to 6,421.48, 9,629.34 and 2,260.26 is: 3,389.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421.48 : 9,629.34 = 2,260.26 : x
  2. Step 2: Convert to fraction form
    6,421.48/9,629.34 = 2,260.26/x
  3. Step 3: Cross multiply
    6,421.48x = 9,629.34 × 2,260.26
  4. Step 4: Simplify right side
    6,421.48x = 21,764,812.03
  5. Step 5: Solve for x
    x = 21,764,812.03/6,421.48
  6. Step 6: Final answer
    x = 3,389.38

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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.