Home / 8,528.74-11,767.68-5,170.89

Finding the Fourth Proportional to 8,528.74, 11,767.68 and 5,170.89

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Solution

The fourth proportional to 8,528.74, 11,767.68 and 5,170.89 is: 7,134.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,528.74 : 11,767.68 = 5,170.89 : x
  2. Step 2: Convert to fraction form
    8,528.74/11,767.68 = 5,170.89/x
  3. Step 3: Cross multiply
    8,528.74x = 11,767.68 × 5,170.89
  4. Step 4: Simplify right side
    8,528.74x = 60,849,356.77
  5. Step 5: Solve for x
    x = 60,849,356.77/8,528.74
  6. Step 6: Final answer
    x = 7,134.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.