Home / 5,255.55-7,880.99-1,556.48

Finding the Fourth Proportional to 5,255.55, 7,880.99 and 1,556.48

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Solution

The fourth proportional to 5,255.55, 7,880.99 and 1,556.48 is: 2,334.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255.55 : 7,880.99 = 1,556.48 : x
  2. Step 2: Convert to fraction form
    5,255.55/7,880.99 = 1,556.48/x
  3. Step 3: Cross multiply
    5,255.55x = 7,880.99 × 1,556.48
  4. Step 4: Simplify right side
    5,255.55x = 12,266,615.24
  5. Step 5: Solve for x
    x = 12,266,615.24/5,255.55
  6. Step 6: Final answer
    x = 2,334.03

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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.