Home / 7,475.36-11,192.99-4,179.07

Finding the Fourth Proportional to 7,475.36, 11,192.99 and 4,179.07

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Solution

The fourth proportional to 7,475.36, 11,192.99 and 4,179.07 is: 6,257.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.36 : 11,192.99 = 4,179.07 : x
  2. Step 2: Convert to fraction form
    7,475.36/11,192.99 = 4,179.07/x
  3. Step 3: Cross multiply
    7,475.36x = 11,192.99 × 4,179.07
  4. Step 4: Simplify right side
    7,475.36x = 46,776,271.18
  5. Step 5: Solve for x
    x = 46,776,271.18/7,475.36
  6. Step 6: Final answer
    x = 6,257.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.