Home / 6,615.22-9,124.19-4,379.01

Finding the Fourth Proportional to 6,615.22, 9,124.19 and 4,379.01

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Solution

The fourth proportional to 6,615.22, 9,124.19 and 4,379.01 is: 6,039.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,615.22 : 9,124.19 = 4,379.01 : x
  2. Step 2: Convert to fraction form
    6,615.22/9,124.19 = 4,379.01/x
  3. Step 3: Cross multiply
    6,615.22x = 9,124.19 × 4,379.01
  4. Step 4: Simplify right side
    6,615.22x = 39,954,897.36
  5. Step 5: Solve for x
    x = 39,954,897.36/6,615.22
  6. Step 6: Final answer
    x = 6,039.85

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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.