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Finding the Fourth Proportional to 6,166.78, 9,250.20 and 1,784.50

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Solution

The fourth proportional to 6,166.78, 9,250.20 and 1,784.50 is: 2,676.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,166.78 : 9,250.20 = 1,784.50 : x
  2. Step 2: Convert to fraction form
    6,166.78/9,250.20 = 1,784.50/x
  3. Step 3: Cross multiply
    6,166.78x = 9,250.20 × 1,784.50
  4. Step 4: Simplify right side
    6,166.78x = 16,506,981.90
  5. Step 5: Solve for x
    x = 16,506,981.90/6,166.78
  6. Step 6: Final answer
    x = 2,676.76

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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.