Home / 4,316.38-6,474.90-1,396.78

Finding the Fourth Proportional to 4,316.38, 6,474.90 and 1,396.78

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Solution

The fourth proportional to 4,316.38, 6,474.90 and 1,396.78 is: 2,095.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,316.38 : 6,474.90 = 1,396.78 : x
  2. Step 2: Convert to fraction form
    4,316.38/6,474.90 = 1,396.78/x
  3. Step 3: Cross multiply
    4,316.38x = 6,474.90 × 1,396.78
  4. Step 4: Simplify right side
    4,316.38x = 9,044,010.82
  5. Step 5: Solve for x
    x = 9,044,010.82/4,316.38
  6. Step 6: Final answer
    x = 2,095.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.