Home / 4,806.69-6,639.12-3,478.29

Finding the Fourth Proportional to 4,806.69, 6,639.12 and 3,478.29

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Solution

The fourth proportional to 4,806.69, 6,639.12 and 3,478.29 is: 4,804.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,806.69 : 6,639.12 = 3,478.29 : x
  2. Step 2: Convert to fraction form
    4,806.69/6,639.12 = 3,478.29/x
  3. Step 3: Cross multiply
    4,806.69x = 6,639.12 × 3,478.29
  4. Step 4: Simplify right side
    4,806.69x = 23,092,784.70
  5. Step 5: Solve for x
    x = 23,092,784.70/4,806.69
  6. Step 6: Final answer
    x = 4,804.30

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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.