Home / 6,450.68-8,905.59-4,935.39

Finding the Fourth Proportional to 6,450.68, 8,905.59 and 4,935.39

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Solution

The fourth proportional to 6,450.68, 8,905.59 and 4,935.39 is: 6,813.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,450.68 : 8,905.59 = 4,935.39 : x
  2. Step 2: Convert to fraction form
    6,450.68/8,905.59 = 4,935.39/x
  3. Step 3: Cross multiply
    6,450.68x = 8,905.59 × 4,935.39
  4. Step 4: Simplify right side
    6,450.68x = 43,952,559.83
  5. Step 5: Solve for x
    x = 43,952,559.83/6,450.68
  6. Step 6: Final answer
    x = 6,813.64

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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.