Home / 7,825.11-10,799.10-4,638.63

Finding the Fourth Proportional to 7,825.11, 10,799.10 and 4,638.63

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Solution

The fourth proportional to 7,825.11, 10,799.10 and 4,638.63 is: 6,401.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,825.11 : 10,799.10 = 4,638.63 : x
  2. Step 2: Convert to fraction form
    7,825.11/10,799.10 = 4,638.63/x
  3. Step 3: Cross multiply
    7,825.11x = 10,799.10 × 4,638.63
  4. Step 4: Simplify right side
    7,825.11x = 50,093,029.23
  5. Step 5: Solve for x
    x = 50,093,029.23/7,825.11
  6. Step 6: Final answer
    x = 6,401.58

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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.