Home / 6,356.21-8,766.63-3,835.70

Finding the Fourth Proportional to 6,356.21, 8,766.63 and 3,835.70

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Solution

The fourth proportional to 6,356.21, 8,766.63 and 3,835.70 is: 5,290.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,356.21 : 8,766.63 = 3,835.70 : x
  2. Step 2: Convert to fraction form
    6,356.21/8,766.63 = 3,835.70/x
  3. Step 3: Cross multiply
    6,356.21x = 8,766.63 × 3,835.70
  4. Step 4: Simplify right side
    6,356.21x = 33,626,162.69
  5. Step 5: Solve for x
    x = 33,626,162.69/6,356.21
  6. Step 6: Final answer
    x = 5,290.29

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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.