Home / 7,556.37-10,432.86-6,757.20

Finding the Fourth Proportional to 7,556.37, 10,432.86 and 6,757.20

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Solution

The fourth proportional to 7,556.37, 10,432.86 and 6,757.20 is: 9,329.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,556.37 : 10,432.86 = 6,757.20 : x
  2. Step 2: Convert to fraction form
    7,556.37/10,432.86 = 6,757.20/x
  3. Step 3: Cross multiply
    7,556.37x = 10,432.86 × 6,757.20
  4. Step 4: Simplify right side
    7,556.37x = 70,496,921.59
  5. Step 5: Solve for x
    x = 70,496,921.59/7,556.37
  6. Step 6: Final answer
    x = 9,329.47

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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.