Home / 7,801.44-11,703.06-3,418.35

Finding the Fourth Proportional to 7,801.44, 11,703.06 and 3,418.35

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Solution

The fourth proportional to 7,801.44, 11,703.06 and 3,418.35 is: 5,127.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,801.44 : 11,703.06 = 3,418.35 : x
  2. Step 2: Convert to fraction form
    7,801.44/11,703.06 = 3,418.35/x
  3. Step 3: Cross multiply
    7,801.44x = 11,703.06 × 3,418.35
  4. Step 4: Simplify right side
    7,801.44x = 40,005,155.15
  5. Step 5: Solve for x
    x = 40,005,155.15/7,801.44
  6. Step 6: Final answer
    x = 5,127.92

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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.