Home / 5,288.62-7,968.26-4,788.94

Finding the Fourth Proportional to 5,288.62, 7,968.26 and 4,788.94

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Solution

The fourth proportional to 5,288.62, 7,968.26 and 4,788.94 is: 7,215.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,288.62 : 7,968.26 = 4,788.94 : x
  2. Step 2: Convert to fraction form
    5,288.62/7,968.26 = 4,788.94/x
  3. Step 3: Cross multiply
    5,288.62x = 7,968.26 × 4,788.94
  4. Step 4: Simplify right side
    5,288.62x = 38,159,519.04
  5. Step 5: Solve for x
    x = 38,159,519.04/5,288.62
  6. Step 6: Final answer
    x = 7,215.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.