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Finding the Fourth Proportional to 4,459.82, 6,154.64 and 2,890.64

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Solution

The fourth proportional to 4,459.82, 6,154.64 and 2,890.64 is: 3,989.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,459.82 : 6,154.64 = 2,890.64 : x
  2. Step 2: Convert to fraction form
    4,459.82/6,154.64 = 2,890.64/x
  3. Step 3: Cross multiply
    4,459.82x = 6,154.64 × 2,890.64
  4. Step 4: Simplify right side
    4,459.82x = 17,790,848.57
  5. Step 5: Solve for x
    x = 17,790,848.57/4,459.82
  6. Step 6: Final answer
    x = 3,989.14

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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.