Home / 4,011.78-6,013.89-1,818.30

Finding the Fourth Proportional to 4,011.78, 6,013.89 and 1,818.30

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Solution

The fourth proportional to 4,011.78, 6,013.89 and 1,818.30 is: 2,725.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,011.78 : 6,013.89 = 1,818.30 : x
  2. Step 2: Convert to fraction form
    4,011.78/6,013.89 = 1,818.30/x
  3. Step 3: Cross multiply
    4,011.78x = 6,013.89 × 1,818.30
  4. Step 4: Simplify right side
    4,011.78x = 10,935,056.19
  5. Step 5: Solve for x
    x = 10,935,056.19/4,011.78
  6. Step 6: Final answer
    x = 2,725.74

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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.