Home / 6,680.80-9,205.68-4,693.60

Finding the Fourth Proportional to 6,680.80, 9,205.68 and 4,693.60

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Solution

The fourth proportional to 6,680.80, 9,205.68 and 4,693.60 is: 6,467.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,680.80 : 9,205.68 = 4,693.60 : x
  2. Step 2: Convert to fraction form
    6,680.80/9,205.68 = 4,693.60/x
  3. Step 3: Cross multiply
    6,680.80x = 9,205.68 × 4,693.60
  4. Step 4: Simplify right side
    6,680.80x = 43,207,779.65
  5. Step 5: Solve for x
    x = 43,207,779.65/6,680.80
  6. Step 6: Final answer
    x = 6,467.46

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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.