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Finding the Fourth Proportional to 4,445.84, 6,134.84 and 2,455.88

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Solution

The fourth proportional to 4,445.84, 6,134.84 and 2,455.88 is: 3,388.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,445.84 : 6,134.84 = 2,455.88 : x
  2. Step 2: Convert to fraction form
    4,445.84/6,134.84 = 2,455.88/x
  3. Step 3: Cross multiply
    4,445.84x = 6,134.84 × 2,455.88
  4. Step 4: Simplify right side
    4,445.84x = 15,066,430.86
  5. Step 5: Solve for x
    x = 15,066,430.86/4,445.84
  6. Step 6: Final answer
    x = 3,388.88

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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.