Home / 4,300.79-6,451.21-1,379.09

Finding the Fourth Proportional to 4,300.79, 6,451.21 and 1,379.09

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Solution

The fourth proportional to 4,300.79, 6,451.21 and 1,379.09 is: 2,068.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,300.79 : 6,451.21 = 1,379.09 : x
  2. Step 2: Convert to fraction form
    4,300.79/6,451.21 = 1,379.09/x
  3. Step 3: Cross multiply
    4,300.79x = 6,451.21 × 1,379.09
  4. Step 4: Simplify right side
    4,300.79x = 8,896,817.05
  5. Step 5: Solve for x
    x = 8,896,817.05/4,300.79
  6. Step 6: Final answer
    x = 2,068.65

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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.