Home / 7,163.28-10,741.40-2,945.77

Finding the Fourth Proportional to 7,163.28, 10,741.40 and 2,945.77

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Solution

The fourth proportional to 7,163.28, 10,741.40 and 2,945.77 is: 4,417.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,163.28 : 10,741.40 = 2,945.77 : x
  2. Step 2: Convert to fraction form
    7,163.28/10,741.40 = 2,945.77/x
  3. Step 3: Cross multiply
    7,163.28x = 10,741.40 × 2,945.77
  4. Step 4: Simplify right side
    7,163.28x = 31,641,674.39
  5. Step 5: Solve for x
    x = 31,641,674.39/7,163.28
  6. Step 6: Final answer
    x = 4,417.20

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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.