Home / 8,839.24-13,236.99-5,130.22

Finding the Fourth Proportional to 8,839.24, 13,236.99 and 5,130.22

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Solution

The fourth proportional to 8,839.24, 13,236.99 and 5,130.22 is: 7,682.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,839.24 : 13,236.99 = 5,130.22 : x
  2. Step 2: Convert to fraction form
    8,839.24/13,236.99 = 5,130.22/x
  3. Step 3: Cross multiply
    8,839.24x = 13,236.99 × 5,130.22
  4. Step 4: Simplify right side
    8,839.24x = 67,908,709.99
  5. Step 5: Solve for x
    x = 67,908,709.99/8,839.24
  6. Step 6: Final answer
    x = 7,682.64

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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.