Home / 9,690.57-14,535.87-2,765.07

Finding the Fourth Proportional to 9,690.57, 14,535.87 and 2,765.07

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Solution

The fourth proportional to 9,690.57, 14,535.87 and 2,765.07 is: 4,147.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,690.57 : 14,535.87 = 2,765.07 : x
  2. Step 2: Convert to fraction form
    9,690.57/14,535.87 = 2,765.07/x
  3. Step 3: Cross multiply
    9,690.57x = 14,535.87 × 2,765.07
  4. Step 4: Simplify right side
    9,690.57x = 40,192,698.06
  5. Step 5: Solve for x
    x = 40,192,698.06/9,690.57
  6. Step 6: Final answer
    x = 4,147.61

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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.