Home / 5,521.49-7,620.51-3,536.79

Finding the Fourth Proportional to 5,521.49, 7,620.51 and 3,536.79

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Solution

The fourth proportional to 5,521.49, 7,620.51 and 3,536.79 is: 4,881.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,521.49 : 7,620.51 = 3,536.79 : x
  2. Step 2: Convert to fraction form
    5,521.49/7,620.51 = 3,536.79/x
  3. Step 3: Cross multiply
    5,521.49x = 7,620.51 × 3,536.79
  4. Step 4: Simplify right side
    5,521.49x = 26,952,143.56
  5. Step 5: Solve for x
    x = 26,952,143.56/5,521.49
  6. Step 6: Final answer
    x = 4,881.32

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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.