Home / 4,325.45-6,489.30-1,404.05

Finding the Fourth Proportional to 4,325.45, 6,489.30 and 1,404.05

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Solution

The fourth proportional to 4,325.45, 6,489.30 and 1,404.05 is: 2,106.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,325.45 : 6,489.30 = 1,404.05 : x
  2. Step 2: Convert to fraction form
    4,325.45/6,489.30 = 1,404.05/x
  3. Step 3: Cross multiply
    4,325.45x = 6,489.30 × 1,404.05
  4. Step 4: Simplify right side
    4,325.45x = 9,111,301.67
  5. Step 5: Solve for x
    x = 9,111,301.67/4,325.45
  6. Step 6: Final answer
    x = 2,106.44

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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.