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Finding the Fourth Proportional to 7,693, 10,611.42 and 4,546.96

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Solution

The fourth proportional to 7,693, 10,611.42 and 4,546.96 is: 6,271.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,693 : 10,611.42 = 4,546.96 : x
  2. Step 2: Convert to fraction form
    7,693/10,611.42 = 4,546.96/x
  3. Step 3: Cross multiply
    7,693x = 10,611.42 × 4,546.96
  4. Step 4: Simplify right side
    7,693x = 48,249,702.28
  5. Step 5: Solve for x
    x = 48,249,702.28/7,693
  6. Step 6: Final answer
    x = 6,271.90

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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.