Home / 7,801.41-11,699.73-4,101.60

Finding the Fourth Proportional to 7,801.41, 11,699.73 and 4,101.60

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Solution

The fourth proportional to 7,801.41, 11,699.73 and 4,101.60 is: 6,151.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,801.41 : 11,699.73 = 4,101.60 : x
  2. Step 2: Convert to fraction form
    7,801.41/11,699.73 = 4,101.60/x
  3. Step 3: Cross multiply
    7,801.41x = 11,699.73 × 4,101.60
  4. Step 4: Simplify right side
    7,801.41x = 47,987,612.57
  5. Step 5: Solve for x
    x = 47,987,612.57/7,801.41
  6. Step 6: Final answer
    x = 6,151.15

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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.