Home / 4,325.55-6,488.46-1,403.88

Finding the Fourth Proportional to 4,325.55, 6,488.46 and 1,403.88

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Solution

The fourth proportional to 4,325.55, 6,488.46 and 1,403.88 is: 2,105.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,325.55 : 6,488.46 = 1,403.88 : x
  2. Step 2: Convert to fraction form
    4,325.55/6,488.46 = 1,403.88/x
  3. Step 3: Cross multiply
    4,325.55x = 6,488.46 × 1,403.88
  4. Step 4: Simplify right side
    4,325.55x = 9,109,019.22
  5. Step 5: Solve for x
    x = 9,109,019.22/4,325.55
  6. Step 6: Final answer
    x = 2,105.86

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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.