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Finding the Fourth Proportional to 4,392, 6,588 and 1,314

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Solution

The fourth proportional to 4,392, 6,588 and 1,314 is: 1,971

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,392 : 6,588 = 1,314 : x
  2. Step 2: Convert to fraction form
    4,392/6,588 = 1,314/x
  3. Step 3: Cross multiply
    4,392x = 6,588 × 1,314
  4. Step 4: Simplify right side
    4,392x = 8,656,632
  5. Step 5: Solve for x
    x = 8,656,632/4,392
  6. Step 6: Final answer
    x = 1,971

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.