Home / 7,556.21-10,424.66-5,571.48

Finding the Fourth Proportional to 7,556.21, 10,424.66 and 5,571.48

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Solution

The fourth proportional to 7,556.21, 10,424.66 and 5,571.48 is: 7,686.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,556.21 : 10,424.66 = 5,571.48 : x
  2. Step 2: Convert to fraction form
    7,556.21/10,424.66 = 5,571.48/x
  3. Step 3: Cross multiply
    7,556.21x = 10,424.66 × 5,571.48
  4. Step 4: Simplify right side
    7,556.21x = 58,080,756.84
  5. Step 5: Solve for x
    x = 58,080,756.84/7,556.21
  6. Step 6: Final answer
    x = 7,686.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.