Home / 5,521.36-7,619.16-3,037.36

Finding the Fourth Proportional to 5,521.36, 7,619.16 and 3,037.36

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Solution

The fourth proportional to 5,521.36, 7,619.16 and 3,037.36 is: 4,191.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,521.36 : 7,619.16 = 3,037.36 : x
  2. Step 2: Convert to fraction form
    5,521.36/7,619.16 = 3,037.36/x
  3. Step 3: Cross multiply
    5,521.36x = 7,619.16 × 3,037.36
  4. Step 4: Simplify right side
    5,521.36x = 23,142,131.82
  5. Step 5: Solve for x
    x = 23,142,131.82/5,521.36
  6. Step 6: Final answer
    x = 4,191.38

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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.