Home / 7,897.02-11,846.34-2,558.85

Finding the Fourth Proportional to 7,897.02, 11,846.34 and 2,558.85

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Solution

The fourth proportional to 7,897.02, 11,846.34 and 2,558.85 is: 3,838.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,897.02 : 11,846.34 = 2,558.85 : x
  2. Step 2: Convert to fraction form
    7,897.02/11,846.34 = 2,558.85/x
  3. Step 3: Cross multiply
    7,897.02x = 11,846.34 × 2,558.85
  4. Step 4: Simplify right side
    7,897.02x = 30,313,007.11
  5. Step 5: Solve for x
    x = 30,313,007.11/7,897.02
  6. Step 6: Final answer
    x = 3,838.54

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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.