Home / 4,804.39-6,630.70-2,815.74

Finding the Fourth Proportional to 4,804.39, 6,630.70 and 2,815.74

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Solution

The fourth proportional to 4,804.39, 6,630.70 and 2,815.74 is: 3,886.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,804.39 : 6,630.70 = 2,815.74 : x
  2. Step 2: Convert to fraction form
    4,804.39/6,630.70 = 2,815.74/x
  3. Step 3: Cross multiply
    4,804.39x = 6,630.70 × 2,815.74
  4. Step 4: Simplify right side
    4,804.39x = 18,670,327.22
  5. Step 5: Solve for x
    x = 18,670,327.22/4,804.39
  6. Step 6: Final answer
    x = 3,886.10

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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.