Home / 4,677.50-6,455.01-2,790.17

Finding the Fourth Proportional to 4,677.50, 6,455.01 and 2,790.17

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Solution

The fourth proportional to 4,677.50, 6,455.01 and 2,790.17 is: 3,850.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,677.50 : 6,455.01 = 2,790.17 : x
  2. Step 2: Convert to fraction form
    4,677.50/6,455.01 = 2,790.17/x
  3. Step 3: Cross multiply
    4,677.50x = 6,455.01 × 2,790.17
  4. Step 4: Simplify right side
    4,677.50x = 18,010,542.98
  5. Step 5: Solve for x
    x = 18,010,542.98/4,677.50
  6. Step 6: Final answer
    x = 3,850.47

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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.