Home / 6,945.48-10,416.36-1,947.57

Finding the Fourth Proportional to 6,945.48, 10,416.36 and 1,947.57

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Solution

The fourth proportional to 6,945.48, 10,416.36 and 1,947.57 is: 2,920.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,945.48 : 10,416.36 = 1,947.57 : x
  2. Step 2: Convert to fraction form
    6,945.48/10,416.36 = 1,947.57/x
  3. Step 3: Cross multiply
    6,945.48x = 10,416.36 × 1,947.57
  4. Step 4: Simplify right side
    6,945.48x = 20,286,579.57
  5. Step 5: Solve for x
    x = 20,286,579.57/6,945.48
  6. Step 6: Final answer
    x = 2,920.83

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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.