Home / 4,269.12-6,404.70-1,347.42

Finding the Fourth Proportional to 4,269.12, 6,404.70 and 1,347.42

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Solution

The fourth proportional to 4,269.12, 6,404.70 and 1,347.42 is: 2,021.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,269.12 : 6,404.70 = 1,347.42 : x
  2. Step 2: Convert to fraction form
    4,269.12/6,404.70 = 1,347.42/x
  3. Step 3: Cross multiply
    4,269.12x = 6,404.70 × 1,347.42
  4. Step 4: Simplify right side
    4,269.12x = 8,629,820.87
  5. Step 5: Solve for x
    x = 8,629,820.87/4,269.12
  6. Step 6: Final answer
    x = 2,021.45

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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.