Home / 4,279.46-6,416.70-2,085.98

Finding the Fourth Proportional to 4,279.46, 6,416.70 and 2,085.98

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Solution

The fourth proportional to 4,279.46, 6,416.70 and 2,085.98 is: 3,127.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.46 : 6,416.70 = 2,085.98 : x
  2. Step 2: Convert to fraction form
    4,279.46/6,416.70 = 2,085.98/x
  3. Step 3: Cross multiply
    4,279.46x = 6,416.70 × 2,085.98
  4. Step 4: Simplify right side
    4,279.46x = 13,385,107.87
  5. Step 5: Solve for x
    x = 13,385,107.87/4,279.46
  6. Step 6: Final answer
    x = 3,127.76

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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.