Home / 5,338.07-8,008.29-1,640.62

Finding the Fourth Proportional to 5,338.07, 8,008.29 and 1,640.62

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Solution

The fourth proportional to 5,338.07, 8,008.29 and 1,640.62 is: 2,461.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338.07 : 8,008.29 = 1,640.62 : x
  2. Step 2: Convert to fraction form
    5,338.07/8,008.29 = 1,640.62/x
  3. Step 3: Cross multiply
    5,338.07x = 8,008.29 × 1,640.62
  4. Step 4: Simplify right side
    5,338.07x = 13,138,560.74
  5. Step 5: Solve for x
    x = 13,138,560.74/5,338.07
  6. Step 6: Final answer
    x = 2,461.29

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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.