Home / 4,287.79-6,431.82-1,514.08

Finding the Fourth Proportional to 4,287.79, 6,431.82 and 1,514.08

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Solution

The fourth proportional to 4,287.79, 6,431.82 and 1,514.08 is: 2,271.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,287.79 : 6,431.82 = 1,514.08 : x
  2. Step 2: Convert to fraction form
    4,287.79/6,431.82 = 1,514.08/x
  3. Step 3: Cross multiply
    4,287.79x = 6,431.82 × 1,514.08
  4. Step 4: Simplify right side
    4,287.79x = 9,738,290.03
  5. Step 5: Solve for x
    x = 9,738,290.03/4,287.79
  6. Step 6: Final answer
    x = 2,271.17

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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.