Home / 8,409.09-11,603.95-5,005.92

Finding the Fourth Proportional to 8,409.09, 11,603.95 and 5,005.92

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Solution

The fourth proportional to 8,409.09, 11,603.95 and 5,005.92 is: 6,907.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,409.09 : 11,603.95 = 5,005.92 : x
  2. Step 2: Convert to fraction form
    8,409.09/11,603.95 = 5,005.92/x
  3. Step 3: Cross multiply
    8,409.09x = 11,603.95 × 5,005.92
  4. Step 4: Simplify right side
    8,409.09x = 58,088,420.35
  5. Step 5: Solve for x
    x = 58,088,420.35/8,409.09
  6. Step 6: Final answer
    x = 6,907.81

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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.