Home / 4,301.80-6,450.56-1,379.72

Finding the Fourth Proportional to 4,301.80, 6,450.56 and 1,379.72

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Solution

The fourth proportional to 4,301.80, 6,450.56 and 1,379.72 is: 2,068.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,301.80 : 6,450.56 = 1,379.72 : x
  2. Step 2: Convert to fraction form
    4,301.80/6,450.56 = 1,379.72/x
  3. Step 3: Cross multiply
    4,301.80x = 6,450.56 × 1,379.72
  4. Step 4: Simplify right side
    4,301.80x = 8,899,966.64
  5. Step 5: Solve for x
    x = 8,899,966.64/4,301.80
  6. Step 6: Final answer
    x = 2,068.89

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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.