Home / 9,425.75-14,140.91-2,851.56

Finding the Fourth Proportional to 9,425.75, 14,140.91 and 2,851.56

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Solution

The fourth proportional to 9,425.75, 14,140.91 and 2,851.56 is: 4,278.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,425.75 : 14,140.91 = 2,851.56 : x
  2. Step 2: Convert to fraction form
    9,425.75/14,140.91 = 2,851.56/x
  3. Step 3: Cross multiply
    9,425.75x = 14,140.91 × 2,851.56
  4. Step 4: Simplify right side
    9,425.75x = 40,323,660.45
  5. Step 5: Solve for x
    x = 40,323,660.45/9,425.75
  6. Step 6: Final answer
    x = 4,278.03

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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.