Home / 6,403.25-8,840.52-4,908.39

Finding the Fourth Proportional to 6,403.25, 8,840.52 and 4,908.39

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Solution

The fourth proportional to 6,403.25, 8,840.52 and 4,908.39 is: 6,776.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,403.25 : 8,840.52 = 4,908.39 : x
  2. Step 2: Convert to fraction form
    6,403.25/8,840.52 = 4,908.39/x
  3. Step 3: Cross multiply
    6,403.25x = 8,840.52 × 4,908.39
  4. Step 4: Simplify right side
    6,403.25x = 43,392,719.96
  5. Step 5: Solve for x
    x = 43,392,719.96/6,403.25
  6. Step 6: Final answer
    x = 6,776.68

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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.