Home / 6,239.36-8,610.33-3,406.75

Finding the Fourth Proportional to 6,239.36, 8,610.33 and 3,406.75

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Solution

The fourth proportional to 6,239.36, 8,610.33 and 3,406.75 is: 4,701.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.36 : 8,610.33 = 3,406.75 : x
  2. Step 2: Convert to fraction form
    6,239.36/8,610.33 = 3,406.75/x
  3. Step 3: Cross multiply
    6,239.36x = 8,610.33 × 3,406.75
  4. Step 4: Simplify right side
    6,239.36x = 29,333,279.15
  5. Step 5: Solve for x
    x = 29,333,279.15/6,239.36
  6. Step 6: Final answer
    x = 4,701.33

Related Problems

Find fourth proportional to 3,119.68, 4,305.16 and 1,703.38
Half scale
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Double scale
Find fourth proportional to 6,240.36, 8,611.71 and 3,407.75
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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.