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Finding the Fourth Proportional to 6,341.51, 8,754.60 and 3,952.21

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Solution

The fourth proportional to 6,341.51, 8,754.60 and 3,952.21 is: 5,456.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,341.51 : 8,754.60 = 3,952.21 : x
  2. Step 2: Convert to fraction form
    6,341.51/8,754.60 = 3,952.21/x
  3. Step 3: Cross multiply
    6,341.51x = 8,754.60 × 3,952.21
  4. Step 4: Simplify right side
    6,341.51x = 34,600,017.67
  5. Step 5: Solve for x
    x = 34,600,017.67/6,341.51
  6. Step 6: Final answer
    x = 5,456.12

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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.