Home / 4,683.80-6,465.12-2,796.78

Finding the Fourth Proportional to 4,683.80, 6,465.12 and 2,796.78

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Solution

The fourth proportional to 4,683.80, 6,465.12 and 2,796.78 is: 3,860.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,683.80 : 6,465.12 = 2,796.78 : x
  2. Step 2: Convert to fraction form
    4,683.80/6,465.12 = 2,796.78/x
  3. Step 3: Cross multiply
    4,683.80x = 6,465.12 × 2,796.78
  4. Step 4: Simplify right side
    4,683.80x = 18,081,518.31
  5. Step 5: Solve for x
    x = 18,081,518.31/4,683.80
  6. Step 6: Final answer
    x = 3,860.44

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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.