Home / 4,860.42-7,291.47-3,218.28

Finding the Fourth Proportional to 4,860.42, 7,291.47 and 3,218.28

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Solution

The fourth proportional to 4,860.42, 7,291.47 and 3,218.28 is: 4,827.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,860.42 : 7,291.47 = 3,218.28 : x
  2. Step 2: Convert to fraction form
    4,860.42/7,291.47 = 3,218.28/x
  3. Step 3: Cross multiply
    4,860.42x = 7,291.47 × 3,218.28
  4. Step 4: Simplify right side
    4,860.42x = 23,465,992.07
  5. Step 5: Solve for x
    x = 23,465,992.07/4,860.42
  6. Step 6: Final answer
    x = 4,827.98

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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.