Home / 4,279.14-6,417.18-1,646.84

Finding the Fourth Proportional to 4,279.14, 6,417.18 and 1,646.84

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Solution

The fourth proportional to 4,279.14, 6,417.18 and 1,646.84 is: 2,469.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.14 : 6,417.18 = 1,646.84 : x
  2. Step 2: Convert to fraction form
    4,279.14/6,417.18 = 1,646.84/x
  3. Step 3: Cross multiply
    4,279.14x = 6,417.18 × 1,646.84
  4. Step 4: Simplify right side
    4,279.14x = 10,568,068.71
  5. Step 5: Solve for x
    x = 10,568,068.71/4,279.14
  6. Step 6: Final answer
    x = 2,469.67

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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.