Home / 7,782.64-10,740.03-4,245.85

Finding the Fourth Proportional to 7,782.64, 10,740.03 and 4,245.85

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Solution

The fourth proportional to 7,782.64, 10,740.03 and 4,245.85 is: 5,859.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,782.64 : 10,740.03 = 4,245.85 : x
  2. Step 2: Convert to fraction form
    7,782.64/10,740.03 = 4,245.85/x
  3. Step 3: Cross multiply
    7,782.64x = 10,740.03 × 4,245.85
  4. Step 4: Simplify right side
    7,782.64x = 45,600,481.45
  5. Step 5: Solve for x
    x = 45,600,481.45/7,782.64
  6. Step 6: Final answer
    x = 5,859.26

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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.