Home / 4,293.63-6,389.01-4,279.05

Finding the Fourth Proportional to 4,293.63, 6,389.01 and 4,279.05

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Solution

The fourth proportional to 4,293.63, 6,389.01 and 4,279.05 is: 6,367.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,293.63 : 6,389.01 = 4,279.05 : x
  2. Step 2: Convert to fraction form
    4,293.63/6,389.01 = 4,279.05/x
  3. Step 3: Cross multiply
    4,293.63x = 6,389.01 × 4,279.05
  4. Step 4: Simplify right side
    4,293.63x = 27,338,893.24
  5. Step 5: Solve for x
    x = 27,338,893.24/4,293.63
  6. Step 6: Final answer
    x = 6,367.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.