Home / 4,269.26-6,404.76-2,421.20

Finding the Fourth Proportional to 4,269.26, 6,404.76 and 2,421.20

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Solution

The fourth proportional to 4,269.26, 6,404.76 and 2,421.20 is: 3,632.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,269.26 : 6,404.76 = 2,421.20 : x
  2. Step 2: Convert to fraction form
    4,269.26/6,404.76 = 2,421.20/x
  3. Step 3: Cross multiply
    4,269.26x = 6,404.76 × 2,421.20
  4. Step 4: Simplify right side
    4,269.26x = 15,507,204.91
  5. Step 5: Solve for x
    x = 15,507,204.91/4,269.26
  6. Step 6: Final answer
    x = 3,632.29

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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.