Home / 6,330.40-9,495.68-1,947.85

Finding the Fourth Proportional to 6,330.40, 9,495.68 and 1,947.85

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Solution

The fourth proportional to 6,330.40, 9,495.68 and 1,947.85 is: 2,921.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,330.40 : 9,495.68 = 1,947.85 : x
  2. Step 2: Convert to fraction form
    6,330.40/9,495.68 = 1,947.85/x
  3. Step 3: Cross multiply
    6,330.40x = 9,495.68 × 1,947.85
  4. Step 4: Simplify right side
    6,330.40x = 18,496,137.77
  5. Step 5: Solve for x
    x = 18,496,137.77/6,330.40
  6. Step 6: Final answer
    x = 2,921.79

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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.