Home / 7,897.40-11,846.19-3,153.02

Finding the Fourth Proportional to 7,897.40, 11,846.19 and 3,153.02

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Solution

The fourth proportional to 7,897.40, 11,846.19 and 3,153.02 is: 4,729.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,897.40 : 11,846.19 = 3,153.02 : x
  2. Step 2: Convert to fraction form
    7,897.40/11,846.19 = 3,153.02/x
  3. Step 3: Cross multiply
    7,897.40x = 11,846.19 × 3,153.02
  4. Step 4: Simplify right side
    7,897.40x = 37,351,273.99
  5. Step 5: Solve for x
    x = 37,351,273.99/7,897.40
  6. Step 6: Final answer
    x = 4,729.57

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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.