Home / 4,804.40-6,630.71-2,815.74

Finding the Fourth Proportional to 4,804.40, 6,630.71 and 2,815.74

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Solution

The fourth proportional to 4,804.40, 6,630.71 and 2,815.74 is: 3,886.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,804.40 : 6,630.71 = 2,815.74 : x
  2. Step 2: Convert to fraction form
    4,804.40/6,630.71 = 2,815.74/x
  3. Step 3: Cross multiply
    4,804.40x = 6,630.71 × 2,815.74
  4. Step 4: Simplify right side
    4,804.40x = 18,670,341.30
  5. Step 5: Solve for x
    x = 18,670,341.30/4,804.40
  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.