Home / 4,405.07-6,078.56-2,636.63

Finding the Fourth Proportional to 4,405.07, 6,078.56 and 2,636.63

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Solution

The fourth proportional to 4,405.07, 6,078.56 and 2,636.63 is: 3,638.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,405.07 : 6,078.56 = 2,636.63 : x
  2. Step 2: Convert to fraction form
    4,405.07/6,078.56 = 2,636.63/x
  3. Step 3: Cross multiply
    4,405.07x = 6,078.56 × 2,636.63
  4. Step 4: Simplify right side
    4,405.07x = 16,026,913.65
  5. Step 5: Solve for x
    x = 16,026,913.65/4,405.07
  6. Step 6: Final answer
    x = 3,638.29

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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.