Home / 5,078.79-7,613.78-2,265.51

Finding the Fourth Proportional to 5,078.79, 7,613.78 and 2,265.51

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Solution

The fourth proportional to 5,078.79, 7,613.78 and 2,265.51 is: 3,396.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078.79 : 7,613.78 = 2,265.51 : x
  2. Step 2: Convert to fraction form
    5,078.79/7,613.78 = 2,265.51/x
  3. Step 3: Cross multiply
    5,078.79x = 7,613.78 × 2,265.51
  4. Step 4: Simplify right side
    5,078.79x = 17,249,094.73
  5. Step 5: Solve for x
    x = 17,249,094.73/5,078.79
  6. Step 6: Final answer
    x = 3,396.30

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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.