Home / 4,005.08-6,006.69-1,408.01

Finding the Fourth Proportional to 4,005.08, 6,006.69 and 1,408.01

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Solution

The fourth proportional to 4,005.08, 6,006.69 and 1,408.01 is: 2,111.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,005.08 : 6,006.69 = 1,408.01 : x
  2. Step 2: Convert to fraction form
    4,005.08/6,006.69 = 1,408.01/x
  3. Step 3: Cross multiply
    4,005.08x = 6,006.69 × 1,408.01
  4. Step 4: Simplify right side
    4,005.08x = 8,457,479.59
  5. Step 5: Solve for x
    x = 8,457,479.59/4,005.08
  6. Step 6: Final answer
    x = 2,111.69

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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.