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Finding the Fourth Proportional to 6,239.64, 8,611.54 and 6,034.51

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Solution

The fourth proportional to 6,239.64, 8,611.54 and 6,034.51 is: 8,328.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.64 : 8,611.54 = 6,034.51 : x
  2. Step 2: Convert to fraction form
    6,239.64/8,611.54 = 6,034.51/x
  3. Step 3: Cross multiply
    6,239.64x = 8,611.54 × 6,034.51
  4. Step 4: Simplify right side
    6,239.64x = 51,966,387.63
  5. Step 5: Solve for x
    x = 51,966,387.63/6,239.64
  6. Step 6: Final answer
    x = 8,328.43

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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.