Home / 4,288.50-6,431.14-1,514.43

Finding the Fourth Proportional to 4,288.50, 6,431.14 and 1,514.43

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Solution

The fourth proportional to 4,288.50, 6,431.14 and 1,514.43 is: 2,271.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.50 : 6,431.14 = 1,514.43 : x
  2. Step 2: Convert to fraction form
    4,288.50/6,431.14 = 1,514.43/x
  3. Step 3: Cross multiply
    4,288.50x = 6,431.14 × 1,514.43
  4. Step 4: Simplify right side
    4,288.50x = 9,739,511.35
  5. Step 5: Solve for x
    x = 9,739,511.35/4,288.50
  6. Step 6: Final answer
    x = 2,271.08

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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.