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Finding the Fourth Proportional to 4,324.88, 6,488.40 and 1,246.88

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Solution

The fourth proportional to 4,324.88, 6,488.40 and 1,246.88 is: 1,870.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,324.88 : 6,488.40 = 1,246.88 : x
  2. Step 2: Convert to fraction form
    4,324.88/6,488.40 = 1,246.88/x
  3. Step 3: Cross multiply
    4,324.88x = 6,488.40 × 1,246.88
  4. Step 4: Simplify right side
    4,324.88x = 8,090,223.75
  5. Step 5: Solve for x
    x = 8,090,223.75/4,324.88
  6. Step 6: Final answer
    x = 1,870.63

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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.