Home / 4,656-6,424.32-2,766.72

Finding the Fourth Proportional to 4,656, 6,424.32 and 2,766.72

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Solution

The fourth proportional to 4,656, 6,424.32 and 2,766.72 is: 3,817.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,656 : 6,424.32 = 2,766.72 : x
  2. Step 2: Convert to fraction form
    4,656/6,424.32 = 2,766.72/x
  3. Step 3: Cross multiply
    4,656x = 6,424.32 × 2,766.72
  4. Step 4: Simplify right side
    4,656x = 17,774,294.63
  5. Step 5: Solve for x
    x = 17,774,294.63/4,656
  6. Step 6: Final answer
    x = 3,817.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.