Home / 4,817.84-6,648.45-2,721.92

Finding the Fourth Proportional to 4,817.84, 6,648.45 and 2,721.92

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Solution

The fourth proportional to 4,817.84, 6,648.45 and 2,721.92 is: 3,756.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,817.84 : 6,648.45 = 2,721.92 : x
  2. Step 2: Convert to fraction form
    4,817.84/6,648.45 = 2,721.92/x
  3. Step 3: Cross multiply
    4,817.84x = 6,648.45 × 2,721.92
  4. Step 4: Simplify right side
    4,817.84x = 18,096,549.02
  5. Step 5: Solve for x
    x = 18,096,549.02/4,817.84
  6. Step 6: Final answer
    x = 3,756.15

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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.