Home / 4,983.78-6,876.45-3,215.82

Finding the Fourth Proportional to 4,983.78, 6,876.45 and 3,215.82

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Solution

The fourth proportional to 4,983.78, 6,876.45 and 3,215.82 is: 4,437.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,983.78 : 6,876.45 = 3,215.82 : x
  2. Step 2: Convert to fraction form
    4,983.78/6,876.45 = 3,215.82/x
  3. Step 3: Cross multiply
    4,983.78x = 6,876.45 × 3,215.82
  4. Step 4: Simplify right side
    4,983.78x = 22,113,425.44
  5. Step 5: Solve for x
    x = 22,113,425.44/4,983.78
  6. Step 6: Final answer
    x = 4,437.08

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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.