Home / 4,903.12-6,766.32-2,807.28

Finding the Fourth Proportional to 4,903.12, 6,766.32 and 2,807.28

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Solution

The fourth proportional to 4,903.12, 6,766.32 and 2,807.28 is: 3,874.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,903.12 : 6,766.32 = 2,807.28 : x
  2. Step 2: Convert to fraction form
    4,903.12/6,766.32 = 2,807.28/x
  3. Step 3: Cross multiply
    4,903.12x = 6,766.32 × 2,807.28
  4. Step 4: Simplify right side
    4,903.12x = 18,994,954.81
  5. Step 5: Solve for x
    x = 18,994,954.81/4,903.12
  6. Step 6: Final answer
    x = 3,874.05

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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.