Home / 5,528.79-7,628.36-3,511.44

Finding the Fourth Proportional to 5,528.79, 7,628.36 and 3,511.44

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Solution

The fourth proportional to 5,528.79, 7,628.36 and 3,511.44 is: 4,844.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,528.79 : 7,628.36 = 3,511.44 : x
  2. Step 2: Convert to fraction form
    5,528.79/7,628.36 = 3,511.44/x
  3. Step 3: Cross multiply
    5,528.79x = 7,628.36 × 3,511.44
  4. Step 4: Simplify right side
    5,528.79x = 26,786,510.88
  5. Step 5: Solve for x
    x = 26,786,510.88/5,528.79
  6. Step 6: Final answer
    x = 4,844.91

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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.