Home / 4,805.40-7,208.08-2,613.64

Finding the Fourth Proportional to 4,805.40, 7,208.08 and 2,613.64

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Solution

The fourth proportional to 4,805.40, 7,208.08 and 2,613.64 is: 3,920.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,805.40 : 7,208.08 = 2,613.64 : x
  2. Step 2: Convert to fraction form
    4,805.40/7,208.08 = 2,613.64/x
  3. Step 3: Cross multiply
    4,805.40x = 7,208.08 × 2,613.64
  4. Step 4: Simplify right side
    4,805.40x = 18,839,326.21
  5. Step 5: Solve for x
    x = 18,839,326.21/4,805.40
  6. Step 6: Final answer
    x = 3,920.45

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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.