Home / 10,638.77-15,958.15-2,847.38

Finding the Fourth Proportional to 10,638.77, 15,958.15 and 2,847.38

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Solution

The fourth proportional to 10,638.77, 15,958.15 and 2,847.38 is: 4,271.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,638.77 : 15,958.15 = 2,847.38 : x
  2. Step 2: Convert to fraction form
    10,638.77/15,958.15 = 2,847.38/x
  3. Step 3: Cross multiply
    10,638.77x = 15,958.15 × 2,847.38
  4. Step 4: Simplify right side
    10,638.77x = 45,438,830.24
  5. Step 5: Solve for x
    x = 45,438,830.24/10,638.77
  6. Step 6: Final answer
    x = 4,271.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.