Home / 7,561.35-11,345.26-2,628.29

Finding the Fourth Proportional to 7,561.35, 11,345.26 and 2,628.29

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Solution

The fourth proportional to 7,561.35, 11,345.26 and 2,628.29 is: 3,943.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,561.35 : 11,345.26 = 2,628.29 : x
  2. Step 2: Convert to fraction form
    7,561.35/11,345.26 = 2,628.29/x
  3. Step 3: Cross multiply
    7,561.35x = 11,345.26 × 2,628.29
  4. Step 4: Simplify right side
    7,561.35x = 29,818,633.41
  5. Step 5: Solve for x
    x = 29,818,633.41/7,561.35
  6. Step 6: Final answer
    x = 3,943.56

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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.