Home / 7,345.80-11,020.32-2,415.24

Finding the Fourth Proportional to 7,345.80, 11,020.32 and 2,415.24

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Solution

The fourth proportional to 7,345.80, 11,020.32 and 2,415.24 is: 3,623.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345.80 : 11,020.32 = 2,415.24 : x
  2. Step 2: Convert to fraction form
    7,345.80/11,020.32 = 2,415.24/x
  3. Step 3: Cross multiply
    7,345.80x = 11,020.32 × 2,415.24
  4. Step 4: Simplify right side
    7,345.80x = 26,616,717.68
  5. Step 5: Solve for x
    x = 26,616,717.68/7,345.80
  6. Step 6: Final answer
    x = 3,623.39

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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.