Home / 4,768.61-6,581.45-2,780.33

Finding the Fourth Proportional to 4,768.61, 6,581.45 and 2,780.33

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Solution

The fourth proportional to 4,768.61, 6,581.45 and 2,780.33 is: 3,837.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,768.61 : 6,581.45 = 2,780.33 : x
  2. Step 2: Convert to fraction form
    4,768.61/6,581.45 = 2,780.33/x
  3. Step 3: Cross multiply
    4,768.61x = 6,581.45 × 2,780.33
  4. Step 4: Simplify right side
    4,768.61x = 18,298,602.88
  5. Step 5: Solve for x
    x = 18,298,602.88/4,768.61
  6. Step 6: Final answer
    x = 3,837.30

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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.