Home / 6,371.42-8,792.27-3,538.98

Finding the Fourth Proportional to 6,371.42, 8,792.27 and 3,538.98

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Solution

The fourth proportional to 6,371.42, 8,792.27 and 3,538.98 is: 4,883.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,371.42 : 8,792.27 = 3,538.98 : x
  2. Step 2: Convert to fraction form
    6,371.42/8,792.27 = 3,538.98/x
  3. Step 3: Cross multiply
    6,371.42x = 8,792.27 × 3,538.98
  4. Step 4: Simplify right side
    6,371.42x = 31,115,697.94
  5. Step 5: Solve for x
    x = 31,115,697.94/6,371.42
  6. Step 6: Final answer
    x = 4,883.64

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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.