Home / 7,302.90-10,954.35-2,109.30

Finding the Fourth Proportional to 7,302.90, 10,954.35 and 2,109.30

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Solution

The fourth proportional to 7,302.90, 10,954.35 and 2,109.30 is: 3,163.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,302.90 : 10,954.35 = 2,109.30 : x
  2. Step 2: Convert to fraction form
    7,302.90/10,954.35 = 2,109.30/x
  3. Step 3: Cross multiply
    7,302.90x = 10,954.35 × 2,109.30
  4. Step 4: Simplify right side
    7,302.90x = 23,106,010.46
  5. Step 5: Solve for x
    x = 23,106,010.46/7,302.90
  6. Step 6: Final answer
    x = 3,163.95

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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.