Home / 6,288.60-8,738.45-6,220.26

Finding the Fourth Proportional to 6,288.60, 8,738.45 and 6,220.26

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Solution

The fourth proportional to 6,288.60, 8,738.45 and 6,220.26 is: 8,643.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,288.60 : 8,738.45 = 6,220.26 : x
  2. Step 2: Convert to fraction form
    6,288.60/8,738.45 = 6,220.26/x
  3. Step 3: Cross multiply
    6,288.60x = 8,738.45 × 6,220.26
  4. Step 4: Simplify right side
    6,288.60x = 54,355,431.00
  5. Step 5: Solve for x
    x = 54,355,431.00/6,288.60
  6. Step 6: Final answer
    x = 8,643.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.