Home / 4,286.80-6,430.20-1,514.08

Finding the Fourth Proportional to 4,286.80, 6,430.20 and 1,514.08

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Solution

The fourth proportional to 4,286.80, 6,430.20 and 1,514.08 is: 2,271.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,286.80 : 6,430.20 = 1,514.08 : x
  2. Step 2: Convert to fraction form
    4,286.80/6,430.20 = 1,514.08/x
  3. Step 3: Cross multiply
    4,286.80x = 6,430.20 × 1,514.08
  4. Step 4: Simplify right side
    4,286.80x = 9,735,837.22
  5. Step 5: Solve for x
    x = 9,735,837.22/4,286.80
  6. Step 6: Final answer
    x = 2,271.12

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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.