Home / 9,790.99-13,511.52-5,314.70

Finding the Fourth Proportional to 9,790.99, 13,511.52 and 5,314.70

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Solution

The fourth proportional to 9,790.99, 13,511.52 and 5,314.70 is: 7,334.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,790.99 : 13,511.52 = 5,314.70 : x
  2. Step 2: Convert to fraction form
    9,790.99/13,511.52 = 5,314.70/x
  3. Step 3: Cross multiply
    9,790.99x = 13,511.52 × 5,314.70
  4. Step 4: Simplify right side
    9,790.99x = 71,809,709.12
  5. Step 5: Solve for x
    x = 71,809,709.12/9,790.99
  6. Step 6: Final answer
    x = 7,334.27

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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.