Home / 7,040.64-10,556.16-3,571.20

Finding the Fourth Proportional to 7,040.64, 10,556.16 and 3,571.20

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Solution

The fourth proportional to 7,040.64, 10,556.16 and 3,571.20 is: 5,354.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,040.64 : 10,556.16 = 3,571.20 : x
  2. Step 2: Convert to fraction form
    7,040.64/10,556.16 = 3,571.20/x
  3. Step 3: Cross multiply
    7,040.64x = 10,556.16 × 3,571.20
  4. Step 4: Simplify right side
    7,040.64x = 37,698,158.59
  5. Step 5: Solve for x
    x = 37,698,158.59/7,040.64
  6. Step 6: Final answer
    x = 5,354.37

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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.