Home / 10,302.75-15,452.74-2,907.80

Finding the Fourth Proportional to 10,302.75, 15,452.74 and 2,907.80

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Solution

The fourth proportional to 10,302.75, 15,452.74 and 2,907.80 is: 4,361.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,302.75 : 15,452.74 = 2,907.80 : x
  2. Step 2: Convert to fraction form
    10,302.75/15,452.74 = 2,907.80/x
  3. Step 3: Cross multiply
    10,302.75x = 15,452.74 × 2,907.80
  4. Step 4: Simplify right side
    10,302.75x = 44,933,519.64
  5. Step 5: Solve for x
    x = 44,933,519.64/10,302.75
  6. Step 6: Final answer
    x = 4,361.31

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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.