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Finding the Fourth Proportional to 6,347.84, 8,763 and 4,253.36

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Solution

The fourth proportional to 6,347.84, 8,763 and 4,253.36 is: 5,871.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,347.84 : 8,763 = 4,253.36 : x
  2. Step 2: Convert to fraction form
    6,347.84/8,763 = 4,253.36/x
  3. Step 3: Cross multiply
    6,347.84x = 8,763 × 4,253.36
  4. Step 4: Simplify right side
    6,347.84x = 37,272,193.68
  5. Step 5: Solve for x
    x = 37,272,193.68/6,347.84
  6. Step 6: Final answer
    x = 5,871.63

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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.