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Finding the Fourth Proportional to 6,342.45, 8,751.27 and 4,352.28

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Solution

The fourth proportional to 6,342.45, 8,751.27 and 4,352.28 is: 6,005.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,342.45 : 8,751.27 = 4,352.28 : x
  2. Step 2: Convert to fraction form
    6,342.45/8,751.27 = 4,352.28/x
  3. Step 3: Cross multiply
    6,342.45x = 8,751.27 × 4,352.28
  4. Step 4: Simplify right side
    6,342.45x = 38,087,977.40
  5. Step 5: Solve for x
    x = 38,087,977.40/6,342.45
  6. Step 6: Final answer
    x = 6,005.25

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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.