Home / 6,280.93-9,416.53-2,815.75

Finding the Fourth Proportional to 6,280.93, 9,416.53 and 2,815.75

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Solution

The fourth proportional to 6,280.93, 9,416.53 and 2,815.75 is: 4,221.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,280.93 : 9,416.53 = 2,815.75 : x
  2. Step 2: Convert to fraction form
    6,280.93/9,416.53 = 2,815.75/x
  3. Step 3: Cross multiply
    6,280.93x = 9,416.53 × 2,815.75
  4. Step 4: Simplify right side
    6,280.93x = 26,514,594.35
  5. Step 5: Solve for x
    x = 26,514,594.35/6,280.93
  6. Step 6: Final answer
    x = 4,221.44

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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.