Home / 7,269.20-10,907.40-4,151.60

Finding the Fourth Proportional to 7,269.20, 10,907.40 and 4,151.60

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Solution

The fourth proportional to 7,269.20, 10,907.40 and 4,151.60 is: 6,229.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,269.20 : 10,907.40 = 4,151.60 : x
  2. Step 2: Convert to fraction form
    7,269.20/10,907.40 = 4,151.60/x
  3. Step 3: Cross multiply
    7,269.20x = 10,907.40 × 4,151.60
  4. Step 4: Simplify right side
    7,269.20x = 45,283,161.84
  5. Step 5: Solve for x
    x = 45,283,161.84/7,269.20
  6. Step 6: Final answer
    x = 6,229.46

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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.