Home / 7,898.85-11,846.98-2,633.39

Finding the Fourth Proportional to 7,898.85, 11,846.98 and 2,633.39

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Solution

The fourth proportional to 7,898.85, 11,846.98 and 2,633.39 is: 3,949.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,898.85 : 11,846.98 = 2,633.39 : x
  2. Step 2: Convert to fraction form
    7,898.85/11,846.98 = 2,633.39/x
  3. Step 3: Cross multiply
    7,898.85x = 11,846.98 × 2,633.39
  4. Step 4: Simplify right side
    7,898.85x = 31,197,741.70
  5. Step 5: Solve for x
    x = 31,197,741.70/7,898.85
  6. Step 6: Final answer
    x = 3,949.66

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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.