Home / 8,409.06-11,603.40-5,005.56

Finding the Fourth Proportional to 8,409.06, 11,603.40 and 5,005.56

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Solution

The fourth proportional to 8,409.06, 11,603.40 and 5,005.56 is: 6,907.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,409.06 : 11,603.40 = 5,005.56 : x
  2. Step 2: Convert to fraction form
    8,409.06/11,603.40 = 5,005.56/x
  3. Step 3: Cross multiply
    8,409.06x = 11,603.40 × 5,005.56
  4. Step 4: Simplify right side
    8,409.06x = 58,081,514.90
  5. Step 5: Solve for x
    x = 58,081,514.90/8,409.06
  6. Step 6: Final answer
    x = 6,907.02

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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.