Home / 4,677.93-6,456.39-2,790.60

Finding the Fourth Proportional to 4,677.93, 6,456.39 and 2,790.60

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Solution

The fourth proportional to 4,677.93, 6,456.39 and 2,790.60 is: 3,851.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,677.93 : 6,456.39 = 2,790.60 : x
  2. Step 2: Convert to fraction form
    4,677.93/6,456.39 = 2,790.60/x
  3. Step 3: Cross multiply
    4,677.93x = 6,456.39 × 2,790.60
  4. Step 4: Simplify right side
    4,677.93x = 18,017,201.93
  5. Step 5: Solve for x
    x = 18,017,201.93/4,677.93
  6. Step 6: Final answer
    x = 3,851.53

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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.