Home / 4,347.20-6,520.26-1,425.26

Finding the Fourth Proportional to 4,347.20, 6,520.26 and 1,425.26

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Solution

The fourth proportional to 4,347.20, 6,520.26 and 1,425.26 is: 2,137.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,347.20 : 6,520.26 = 1,425.26 : x
  2. Step 2: Convert to fraction form
    4,347.20/6,520.26 = 1,425.26/x
  3. Step 3: Cross multiply
    4,347.20x = 6,520.26 × 1,425.26
  4. Step 4: Simplify right side
    4,347.20x = 9,293,065.77
  5. Step 5: Solve for x
    x = 9,293,065.77/4,347.20
  6. Step 6: Final answer
    x = 2,137.71

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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.