Home / 9,790.41-13,505.76-6,249.90

Finding the Fourth Proportional to 9,790.41, 13,505.76 and 6,249.90

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Solution

The fourth proportional to 9,790.41, 13,505.76 and 6,249.90 is: 8,621.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,790.41 : 13,505.76 = 6,249.90 : x
  2. Step 2: Convert to fraction form
    9,790.41/13,505.76 = 6,249.90/x
  3. Step 3: Cross multiply
    9,790.41x = 13,505.76 × 6,249.90
  4. Step 4: Simplify right side
    9,790.41x = 84,409,649.42
  5. Step 5: Solve for x
    x = 84,409,649.42/9,790.41
  6. Step 6: Final answer
    x = 8,621.67

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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.