Home / 4,807.92-6,637.20-2,817.84

Finding the Fourth Proportional to 4,807.92, 6,637.20 and 2,817.84

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Solution

The fourth proportional to 4,807.92, 6,637.20 and 2,817.84 is: 3,889.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,807.92 : 6,637.20 = 2,817.84 : x
  2. Step 2: Convert to fraction form
    4,807.92/6,637.20 = 2,817.84/x
  3. Step 3: Cross multiply
    4,807.92x = 6,637.20 × 2,817.84
  4. Step 4: Simplify right side
    4,807.92x = 18,702,567.65
  5. Step 5: Solve for x
    x = 18,702,567.65/4,807.92
  6. Step 6: Final answer
    x = 3,889.95

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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.