Home / 7,387.39-11,055.07-4,615.37

Finding the Fourth Proportional to 7,387.39, 11,055.07 and 4,615.37

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Solution

The fourth proportional to 7,387.39, 11,055.07 and 4,615.37 is: 6,906.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.39 : 11,055.07 = 4,615.37 : x
  2. Step 2: Convert to fraction form
    7,387.39/11,055.07 = 4,615.37/x
  3. Step 3: Cross multiply
    7,387.39x = 11,055.07 × 4,615.37
  4. Step 4: Simplify right side
    7,387.39x = 51,023,238.43
  5. Step 5: Solve for x
    x = 51,023,238.43/7,387.39
  6. Step 6: Final answer
    x = 6,906.80

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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.