Home / 7,191.37-10,847.81-6,813.24

Finding the Fourth Proportional to 7,191.37, 10,847.81 and 6,813.24

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Solution

The fourth proportional to 7,191.37, 10,847.81 and 6,813.24 is: 10,277.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,191.37 : 10,847.81 = 6,813.24 : x
  2. Step 2: Convert to fraction form
    7,191.37/10,847.81 = 6,813.24/x
  3. Step 3: Cross multiply
    7,191.37x = 10,847.81 × 6,813.24
  4. Step 4: Simplify right side
    7,191.37x = 73,908,733.00
  5. Step 5: Solve for x
    x = 73,908,733.00/7,191.37
  6. Step 6: Final answer
    x = 10,277.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.