Home / 5,617.11-7,754.09-3,628.63

Finding the Fourth Proportional to 5,617.11, 7,754.09 and 3,628.63

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Solution

The fourth proportional to 5,617.11, 7,754.09 and 3,628.63 is: 5,009.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,617.11 : 7,754.09 = 3,628.63 : x
  2. Step 2: Convert to fraction form
    5,617.11/7,754.09 = 3,628.63/x
  3. Step 3: Cross multiply
    5,617.11x = 7,754.09 × 3,628.63
  4. Step 4: Simplify right side
    5,617.11x = 28,136,742.36
  5. Step 5: Solve for x
    x = 28,136,742.36/5,617.11
  6. Step 6: Final answer
    x = 5,009.12

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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.