Home / 5,920.29-8,170.25-3,403.19

Finding the Fourth Proportional to 5,920.29, 8,170.25 and 3,403.19

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Solution

The fourth proportional to 5,920.29, 8,170.25 and 3,403.19 is: 4,696.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.29 : 8,170.25 = 3,403.19 : x
  2. Step 2: Convert to fraction form
    5,920.29/8,170.25 = 3,403.19/x
  3. Step 3: Cross multiply
    5,920.29x = 8,170.25 × 3,403.19
  4. Step 4: Simplify right side
    5,920.29x = 27,804,916.51
  5. Step 5: Solve for x
    x = 27,804,916.51/5,920.29
  6. Step 6: Final answer
    x = 4,696.55

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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.