Home / 7,290.03-10,935.09-2,610.21

Finding the Fourth Proportional to 7,290.03, 10,935.09 and 2,610.21

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Solution

The fourth proportional to 7,290.03, 10,935.09 and 2,610.21 is: 3,915.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290.03 : 10,935.09 = 2,610.21 : x
  2. Step 2: Convert to fraction form
    7,290.03/10,935.09 = 2,610.21/x
  3. Step 3: Cross multiply
    7,290.03x = 10,935.09 × 2,610.21
  4. Step 4: Simplify right side
    7,290.03x = 28,542,881.27
  5. Step 5: Solve for x
    x = 28,542,881.27/7,290.03
  6. Step 6: Final answer
    x = 3,915.33

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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.