Home / 8,154.62-11,253.41-4,618.51

Finding the Fourth Proportional to 8,154.62, 11,253.41 and 4,618.51

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Solution

The fourth proportional to 8,154.62, 11,253.41 and 4,618.51 is: 6,373.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,154.62 : 11,253.41 = 4,618.51 : x
  2. Step 2: Convert to fraction form
    8,154.62/11,253.41 = 4,618.51/x
  3. Step 3: Cross multiply
    8,154.62x = 11,253.41 × 4,618.51
  4. Step 4: Simplify right side
    8,154.62x = 51,973,986.62
  5. Step 5: Solve for x
    x = 51,973,986.62/8,154.62
  6. Step 6: Final answer
    x = 6,373.56

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1.5x scale

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.