Home / 5,443.45-7,509.81-3,554.44

Finding the Fourth Proportional to 5,443.45, 7,509.81 and 3,554.44

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Solution

The fourth proportional to 5,443.45, 7,509.81 and 3,554.44 is: 4,903.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,443.45 : 7,509.81 = 3,554.44 : x
  2. Step 2: Convert to fraction form
    5,443.45/7,509.81 = 3,554.44/x
  3. Step 3: Cross multiply
    5,443.45x = 7,509.81 × 3,554.44
  4. Step 4: Simplify right side
    5,443.45x = 26,693,169.06
  5. Step 5: Solve for x
    x = 26,693,169.06/5,443.45
  6. Step 6: Final answer
    x = 4,903.72

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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.