Home / 9,982.87-13,776.99-5,735.28

Finding the Fourth Proportional to 9,982.87, 13,776.99 and 5,735.28

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Solution

The fourth proportional to 9,982.87, 13,776.99 and 5,735.28 is: 7,915.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,982.87 : 13,776.99 = 5,735.28 : x
  2. Step 2: Convert to fraction form
    9,982.87/13,776.99 = 5,735.28/x
  3. Step 3: Cross multiply
    9,982.87x = 13,776.99 × 5,735.28
  4. Step 4: Simplify right side
    9,982.87x = 79,014,895.21
  5. Step 5: Solve for x
    x = 79,014,895.21/9,982.87
  6. Step 6: Final answer
    x = 7,915.05

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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.