Home / 4,870.41-6,719.80-3,279.30

Finding the Fourth Proportional to 4,870.41, 6,719.80 and 3,279.30

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Solution

The fourth proportional to 4,870.41, 6,719.80 and 3,279.30 is: 4,524.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,870.41 : 6,719.80 = 3,279.30 : x
  2. Step 2: Convert to fraction form
    4,870.41/6,719.80 = 3,279.30/x
  3. Step 3: Cross multiply
    4,870.41x = 6,719.80 × 3,279.30
  4. Step 4: Simplify right side
    4,870.41x = 22,036,240.14
  5. Step 5: Solve for x
    x = 22,036,240.14/4,870.41
  6. Step 6: Final answer
    x = 4,524.51

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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.