Home / 7,271.30-10,890.54-3,367.50

Finding the Fourth Proportional to 7,271.30, 10,890.54 and 3,367.50

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Solution

The fourth proportional to 7,271.30, 10,890.54 and 3,367.50 is: 5,043.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,271.30 : 10,890.54 = 3,367.50 : x
  2. Step 2: Convert to fraction form
    7,271.30/10,890.54 = 3,367.50/x
  3. Step 3: Cross multiply
    7,271.30x = 10,890.54 × 3,367.50
  4. Step 4: Simplify right side
    7,271.30x = 36,673,893.45
  5. Step 5: Solve for x
    x = 36,673,893.45/7,271.30
  6. Step 6: Final answer
    x = 5,043.65

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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.