Home / 6,488.10-9,730.63-2,104.38

Finding the Fourth Proportional to 6,488.10, 9,730.63 and 2,104.38

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Solution

The fourth proportional to 6,488.10, 9,730.63 and 2,104.38 is: 3,156.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,488.10 : 9,730.63 = 2,104.38 : x
  2. Step 2: Convert to fraction form
    6,488.10/9,730.63 = 2,104.38/x
  3. Step 3: Cross multiply
    6,488.10x = 9,730.63 × 2,104.38
  4. Step 4: Simplify right side
    6,488.10x = 20,476,945.79
  5. Step 5: Solve for x
    x = 20,476,945.79/6,488.10
  6. Step 6: Final answer
    x = 3,156.08

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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.