Home / 4,897.88-7,339.14-3,415.64

Finding the Fourth Proportional to 4,897.88, 7,339.14 and 3,415.64

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Solution

The fourth proportional to 4,897.88, 7,339.14 and 3,415.64 is: 5,118.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,897.88 : 7,339.14 = 3,415.64 : x
  2. Step 2: Convert to fraction form
    4,897.88/7,339.14 = 3,415.64/x
  3. Step 3: Cross multiply
    4,897.88x = 7,339.14 × 3,415.64
  4. Step 4: Simplify right side
    4,897.88x = 25,067,860.15
  5. Step 5: Solve for x
    x = 25,067,860.15/4,897.88
  6. Step 6: Final answer
    x = 5,118.10

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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.