Home / 6,119.76-8,445.98-3,635.76

Finding the Fourth Proportional to 6,119.76, 8,445.98 and 3,635.76

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Solution

The fourth proportional to 6,119.76, 8,445.98 and 3,635.76 is: 5,017.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,119.76 : 8,445.98 = 3,635.76 : x
  2. Step 2: Convert to fraction form
    6,119.76/8,445.98 = 3,635.76/x
  3. Step 3: Cross multiply
    6,119.76x = 8,445.98 × 3,635.76
  4. Step 4: Simplify right side
    6,119.76x = 30,707,556.24
  5. Step 5: Solve for x
    x = 30,707,556.24/6,119.76
  6. Step 6: Final answer
    x = 5,017.77

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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.