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Finding the Fourth Proportional to 4,928.62, 6,801.65 and 2,804.10

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Solution

The fourth proportional to 4,928.62, 6,801.65 and 2,804.10 is: 3,869.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.62 : 6,801.65 = 2,804.10 : x
  2. Step 2: Convert to fraction form
    4,928.62/6,801.65 = 2,804.10/x
  3. Step 3: Cross multiply
    4,928.62x = 6,801.65 × 2,804.10
  4. Step 4: Simplify right side
    4,928.62x = 19,072,482.83
  5. Step 5: Solve for x
    x = 19,072,482.83/4,928.62
  6. Step 6: Final answer
    x = 3,869.74

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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.