Home / 4,604.40-6,899.40-3,985.20

Finding the Fourth Proportional to 4,604.40, 6,899.40 and 3,985.20

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Solution

The fourth proportional to 4,604.40, 6,899.40 and 3,985.20 is: 5,971.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,604.40 : 6,899.40 = 3,985.20 : x
  2. Step 2: Convert to fraction form
    4,604.40/6,899.40 = 3,985.20/x
  3. Step 3: Cross multiply
    4,604.40x = 6,899.40 × 3,985.20
  4. Step 4: Simplify right side
    4,604.40x = 27,495,488.88
  5. Step 5: Solve for x
    x = 27,495,488.88/4,604.40
  6. Step 6: Final answer
    x = 5,971.57

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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.