Home / 4,821.76-6,653.64-2,832.40

Finding the Fourth Proportional to 4,821.76, 6,653.64 and 2,832.40

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Solution

The fourth proportional to 4,821.76, 6,653.64 and 2,832.40 is: 3,908.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,821.76 : 6,653.64 = 2,832.40 : x
  2. Step 2: Convert to fraction form
    4,821.76/6,653.64 = 2,832.40/x
  3. Step 3: Cross multiply
    4,821.76x = 6,653.64 × 2,832.40
  4. Step 4: Simplify right side
    4,821.76x = 18,845,769.94
  5. Step 5: Solve for x
    x = 18,845,769.94/4,821.76
  6. Step 6: Final answer
    x = 3,908.48

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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.