Home / 6,929.40-10,385.85-4,001.64

Finding the Fourth Proportional to 6,929.40, 10,385.85 and 4,001.64

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Solution

The fourth proportional to 6,929.40, 10,385.85 and 4,001.64 is: 5,997.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,929.40 : 10,385.85 = 4,001.64 : x
  2. Step 2: Convert to fraction form
    6,929.40/10,385.85 = 4,001.64/x
  3. Step 3: Cross multiply
    6,929.40x = 10,385.85 × 4,001.64
  4. Step 4: Simplify right side
    6,929.40x = 41,560,432.79
  5. Step 5: Solve for x
    x = 41,560,432.79/6,929.40
  6. Step 6: Final answer
    x = 5,997.70

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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.