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Finding the Fourth Proportional to 4,318.90, 5,960.07 and 2,455.90

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Solution

The fourth proportional to 4,318.90, 5,960.07 and 2,455.90 is: 3,389.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,318.90 : 5,960.07 = 2,455.90 : x
  2. Step 2: Convert to fraction form
    4,318.90/5,960.07 = 2,455.90/x
  3. Step 3: Cross multiply
    4,318.90x = 5,960.07 × 2,455.90
  4. Step 4: Simplify right side
    4,318.90x = 14,637,335.91
  5. Step 5: Solve for x
    x = 14,637,335.91/4,318.90
  6. Step 6: Final answer
    x = 3,389.14

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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.