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Finding the Fourth Proportional to 5,846.72, 8,770.14 and 1,686.80

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Solution

The fourth proportional to 5,846.72, 8,770.14 and 1,686.80 is: 2,530.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,846.72 : 8,770.14 = 1,686.80 : x
  2. Step 2: Convert to fraction form
    5,846.72/8,770.14 = 1,686.80/x
  3. Step 3: Cross multiply
    5,846.72x = 8,770.14 × 1,686.80
  4. Step 4: Simplify right side
    5,846.72x = 14,793,494.08
  5. Step 5: Solve for x
    x = 14,793,494.08/5,846.72
  6. Step 6: Final answer
    x = 2,530.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.