Home / 4,344.16-6,514.87-1,421.78

Finding the Fourth Proportional to 4,344.16, 6,514.87 and 1,421.78

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Solution

The fourth proportional to 4,344.16, 6,514.87 and 1,421.78 is: 2,132.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,344.16 : 6,514.87 = 1,421.78 : x
  2. Step 2: Convert to fraction form
    4,344.16/6,514.87 = 1,421.78/x
  3. Step 3: Cross multiply
    4,344.16x = 6,514.87 × 1,421.78
  4. Step 4: Simplify right side
    4,344.16x = 9,262,711.87
  5. Step 5: Solve for x
    x = 9,262,711.87/4,344.16
  6. Step 6: Final answer
    x = 2,132.22

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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.