Home / 7,825.61-10,799.30-4,240.55

Finding the Fourth Proportional to 7,825.61, 10,799.30 and 4,240.55

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Solution

The fourth proportional to 7,825.61, 10,799.30 and 4,240.55 is: 5,851.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,825.61 : 10,799.30 = 4,240.55 : x
  2. Step 2: Convert to fraction form
    7,825.61/10,799.30 = 4,240.55/x
  3. Step 3: Cross multiply
    7,825.61x = 10,799.30 × 4,240.55
  4. Step 4: Simplify right side
    7,825.61x = 45,794,896.42
  5. Step 5: Solve for x
    x = 45,794,896.42/7,825.61
  6. Step 6: Final answer
    x = 5,851.93

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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.