Home / 4,387.72-6,057.18-2,818.48

Finding the Fourth Proportional to 4,387.72, 6,057.18 and 2,818.48

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Solution

The fourth proportional to 4,387.72, 6,057.18 and 2,818.48 is: 3,890.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,387.72 : 6,057.18 = 2,818.48 : x
  2. Step 2: Convert to fraction form
    4,387.72/6,057.18 = 2,818.48/x
  3. Step 3: Cross multiply
    4,387.72x = 6,057.18 × 2,818.48
  4. Step 4: Simplify right side
    4,387.72x = 17,072,040.69
  5. Step 5: Solve for x
    x = 17,072,040.69/4,387.72
  6. Step 6: Final answer
    x = 3,890.87

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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.