Home / 4,904.61-6,768.90-2,780.16

Finding the Fourth Proportional to 4,904.61, 6,768.90 and 2,780.16

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Solution

The fourth proportional to 4,904.61, 6,768.90 and 2,780.16 is: 3,836.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,904.61 : 6,768.90 = 2,780.16 : x
  2. Step 2: Convert to fraction form
    4,904.61/6,768.90 = 2,780.16/x
  3. Step 3: Cross multiply
    4,904.61x = 6,768.90 × 2,780.16
  4. Step 4: Simplify right side
    4,904.61x = 18,818,625.02
  5. Step 5: Solve for x
    x = 18,818,625.02/4,904.61
  6. Step 6: Final answer
    x = 3,836.93

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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.