Home / 4,721.30-7,109.40-3,497.38

Finding the Fourth Proportional to 4,721.30, 7,109.40 and 3,497.38

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Solution

The fourth proportional to 4,721.30, 7,109.40 and 3,497.38 is: 5,266.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721.30 : 7,109.40 = 3,497.38 : x
  2. Step 2: Convert to fraction form
    4,721.30/7,109.40 = 3,497.38/x
  3. Step 3: Cross multiply
    4,721.30x = 7,109.40 × 3,497.38
  4. Step 4: Simplify right side
    4,721.30x = 24,864,255.89
  5. Step 5: Solve for x
    x = 24,864,255.89/4,721.30
  6. Step 6: Final answer
    x = 5,266.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.