Home / 4,678.06-6,455.66-2,553.63

Finding the Fourth Proportional to 4,678.06, 6,455.66 and 2,553.63

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Solution

The fourth proportional to 4,678.06, 6,455.66 and 2,553.63 is: 3,523.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678.06 : 6,455.66 = 2,553.63 : x
  2. Step 2: Convert to fraction form
    4,678.06/6,455.66 = 2,553.63/x
  3. Step 3: Cross multiply
    4,678.06x = 6,455.66 × 2,553.63
  4. Step 4: Simplify right side
    4,678.06x = 16,485,341.15
  5. Step 5: Solve for x
    x = 16,485,341.15/4,678.06
  6. Step 6: Final answer
    x = 3,523.97

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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.