Home / 9,140.16-13,710.75-2,899.73

Finding the Fourth Proportional to 9,140.16, 13,710.75 and 2,899.73

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Solution

The fourth proportional to 9,140.16, 13,710.75 and 2,899.73 is: 4,349.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,140.16 : 13,710.75 = 2,899.73 : x
  2. Step 2: Convert to fraction form
    9,140.16/13,710.75 = 2,899.73/x
  3. Step 3: Cross multiply
    9,140.16x = 13,710.75 × 2,899.73
  4. Step 4: Simplify right side
    9,140.16x = 39,757,404.54
  5. Step 5: Solve for x
    x = 39,757,404.54/9,140.16
  6. Step 6: Final answer
    x = 4,349.75

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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.