Home / 6,239.40-8,610.33-3,406.77

Finding the Fourth Proportional to 6,239.40, 8,610.33 and 3,406.77

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Solution

The fourth proportional to 6,239.40, 8,610.33 and 3,406.77 is: 4,701.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.40 : 8,610.33 = 3,406.77 : x
  2. Step 2: Convert to fraction form
    6,239.40/8,610.33 = 3,406.77/x
  3. Step 3: Cross multiply
    6,239.40x = 8,610.33 × 3,406.77
  4. Step 4: Simplify right side
    6,239.40x = 29,333,420.85
  5. Step 5: Solve for x
    x = 29,333,420.85/6,239.40
  6. Step 6: Final answer
    x = 4,701.32

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Half scale
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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.