Home / 4,904.91-6,768.77-2,666.78

Finding the Fourth Proportional to 4,904.91, 6,768.77 and 2,666.78

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Solution

The fourth proportional to 4,904.91, 6,768.77 and 2,666.78 is: 3,680.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,904.91 : 6,768.77 = 2,666.78 : x
  2. Step 2: Convert to fraction form
    4,904.91/6,768.77 = 2,666.78/x
  3. Step 3: Cross multiply
    4,904.91x = 6,768.77 × 2,666.78
  4. Step 4: Simplify right side
    4,904.91x = 18,050,820.46
  5. Step 5: Solve for x
    x = 18,050,820.46/4,904.91
  6. Step 6: Final answer
    x = 3,680.15

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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.