Home / 4,816.96-6,647.04-2,721.28

Finding the Fourth Proportional to 4,816.96, 6,647.04 and 2,721.28

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Solution

The fourth proportional to 4,816.96, 6,647.04 and 2,721.28 is: 3,755.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,816.96 : 6,647.04 = 2,721.28 : x
  2. Step 2: Convert to fraction form
    4,816.96/6,647.04 = 2,721.28/x
  3. Step 3: Cross multiply
    4,816.96x = 6,647.04 × 2,721.28
  4. Step 4: Simplify right side
    4,816.96x = 18,088,457.01
  5. Step 5: Solve for x
    x = 18,088,457.01/4,816.96
  6. Step 6: Final answer
    x = 3,755.16

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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.