Home / 4,996.32-6,889.68-4,290.72

Finding the Fourth Proportional to 4,996.32, 6,889.68 and 4,290.72

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Solution

The fourth proportional to 4,996.32, 6,889.68 and 4,290.72 is: 5,916.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,996.32 : 6,889.68 = 4,290.72 : x
  2. Step 2: Convert to fraction form
    4,996.32/6,889.68 = 4,290.72/x
  3. Step 3: Cross multiply
    4,996.32x = 6,889.68 × 4,290.72
  4. Step 4: Simplify right side
    4,996.32x = 29,561,687.77
  5. Step 5: Solve for x
    x = 29,561,687.77/4,996.32
  6. Step 6: Final answer
    x = 5,916.69

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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.