Home / 6,925.25-9,556.95-3,781.45

Finding the Fourth Proportional to 6,925.25, 9,556.95 and 3,781.45

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Solution

The fourth proportional to 6,925.25, 9,556.95 and 3,781.45 is: 5,218.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,925.25 : 9,556.95 = 3,781.45 : x
  2. Step 2: Convert to fraction form
    6,925.25/9,556.95 = 3,781.45/x
  3. Step 3: Cross multiply
    6,925.25x = 9,556.95 × 3,781.45
  4. Step 4: Simplify right side
    6,925.25x = 36,139,128.58
  5. Step 5: Solve for x
    x = 36,139,128.58/6,925.25
  6. Step 6: Final answer
    x = 5,218.46

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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.