Home / 5,678.26-8,511.05-4,287.08

Finding the Fourth Proportional to 5,678.26, 8,511.05 and 4,287.08

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Solution

The fourth proportional to 5,678.26, 8,511.05 and 4,287.08 is: 6,425.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,678.26 : 8,511.05 = 4,287.08 : x
  2. Step 2: Convert to fraction form
    5,678.26/8,511.05 = 4,287.08/x
  3. Step 3: Cross multiply
    5,678.26x = 8,511.05 × 4,287.08
  4. Step 4: Simplify right side
    5,678.26x = 36,487,584.23
  5. Step 5: Solve for x
    x = 36,487,584.23/5,678.26
  6. Step 6: Final answer
    x = 6,425.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.