Home / 4,817.37-6,648-2,721.50

Finding the Fourth Proportional to 4,817.37, 6,648 and 2,721.50

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Solution

The fourth proportional to 4,817.37, 6,648 and 2,721.50 is: 3,755.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,817.37 : 6,648 = 2,721.50 : x
  2. Step 2: Convert to fraction form
    4,817.37/6,648 = 2,721.50/x
  3. Step 3: Cross multiply
    4,817.37x = 6,648 × 2,721.50
  4. Step 4: Simplify right side
    4,817.37x = 18,092,498.76
  5. Step 5: Solve for x
    x = 18,092,498.76/4,817.37
  6. Step 6: Final answer
    x = 3,755.68

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1.5x scale

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.