Home / 4,401.21-6,602.90-1,281.25

Finding the Fourth Proportional to 4,401.21, 6,602.90 and 1,281.25

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Solution

The fourth proportional to 4,401.21, 6,602.90 and 1,281.25 is: 1,922.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,401.21 : 6,602.90 = 1,281.25 : x
  2. Step 2: Convert to fraction form
    4,401.21/6,602.90 = 1,281.25/x
  3. Step 3: Cross multiply
    4,401.21x = 6,602.90 × 1,281.25
  4. Step 4: Simplify right side
    4,401.21x = 8,459,953.68
  5. Step 5: Solve for x
    x = 8,459,953.68/4,401.21
  6. Step 6: Final answer
    x = 1,922.19

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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.