Home / 5,291.10-7,302.39-3,196.38

Finding the Fourth Proportional to 5,291.10, 7,302.39 and 3,196.38

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Solution

The fourth proportional to 5,291.10, 7,302.39 and 3,196.38 is: 4,411.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,291.10 : 7,302.39 = 3,196.38 : x
  2. Step 2: Convert to fraction form
    5,291.10/7,302.39 = 3,196.38/x
  3. Step 3: Cross multiply
    5,291.10x = 7,302.39 × 3,196.38
  4. Step 4: Simplify right side
    5,291.10x = 23,341,213.35
  5. Step 5: Solve for x
    x = 23,341,213.35/5,291.10
  6. Step 6: Final answer
    x = 4,411.41

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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.