Home / 3,556.07-5,336.53-1,247.57

Finding the Fourth Proportional to 3,556.07, 5,336.53 and 1,247.57

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Solution

The fourth proportional to 3,556.07, 5,336.53 and 1,247.57 is: 1,872.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.07 : 5,336.53 = 1,247.57 : x
  2. Step 2: Convert to fraction form
    3,556.07/5,336.53 = 1,247.57/x
  3. Step 3: Cross multiply
    3,556.07x = 5,336.53 × 1,247.57
  4. Step 4: Simplify right side
    3,556.07x = 6,657,661.81
  5. Step 5: Solve for x
    x = 6,657,661.81/3,556.07
  6. Step 6: Final answer
    x = 1,872.20

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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.