Home / 4,200.99-6,302.76-1,279.32

Finding the Fourth Proportional to 4,200.99, 6,302.76 and 1,279.32

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Solution

The fourth proportional to 4,200.99, 6,302.76 and 1,279.32 is: 1,919.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200.99 : 6,302.76 = 1,279.32 : x
  2. Step 2: Convert to fraction form
    4,200.99/6,302.76 = 1,279.32/x
  3. Step 3: Cross multiply
    4,200.99x = 6,302.76 × 1,279.32
  4. Step 4: Simplify right side
    4,200.99x = 8,063,246.92
  5. Step 5: Solve for x
    x = 8,063,246.92/4,200.99
  6. Step 6: Final answer
    x = 1,919.37

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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.