Home / 4,638.29-6,948.17-2,788.40

Finding the Fourth Proportional to 4,638.29, 6,948.17 and 2,788.40

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Solution

The fourth proportional to 4,638.29, 6,948.17 and 2,788.40 is: 4,177.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,638.29 : 6,948.17 = 2,788.40 : x
  2. Step 2: Convert to fraction form
    4,638.29/6,948.17 = 2,788.40/x
  3. Step 3: Cross multiply
    4,638.29x = 6,948.17 × 2,788.40
  4. Step 4: Simplify right side
    4,638.29x = 19,374,270.26
  5. Step 5: Solve for x
    x = 19,374,270.26/4,638.29
  6. Step 6: Final answer
    x = 4,177.03

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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.