Home / 5,338.90-8,008.76-1,641.39

Finding the Fourth Proportional to 5,338.90, 8,008.76 and 1,641.39

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Solution

The fourth proportional to 5,338.90, 8,008.76 and 1,641.39 is: 2,462.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338.90 : 8,008.76 = 1,641.39 : x
  2. Step 2: Convert to fraction form
    5,338.90/8,008.76 = 1,641.39/x
  3. Step 3: Cross multiply
    5,338.90x = 8,008.76 × 1,641.39
  4. Step 4: Simplify right side
    5,338.90x = 13,145,498.58
  5. Step 5: Solve for x
    x = 13,145,498.58/5,338.90
  6. Step 6: Final answer
    x = 2,462.21

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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.