Home / 4,871.48-6,723.08-2,775.72

Finding the Fourth Proportional to 4,871.48, 6,723.08 and 2,775.72

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Solution

The fourth proportional to 4,871.48, 6,723.08 and 2,775.72 is: 3,830.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,871.48 : 6,723.08 = 2,775.72 : x
  2. Step 2: Convert to fraction form
    4,871.48/6,723.08 = 2,775.72/x
  3. Step 3: Cross multiply
    4,871.48x = 6,723.08 × 2,775.72
  4. Step 4: Simplify right side
    4,871.48x = 18,661,387.62
  5. Step 5: Solve for x
    x = 18,661,387.62/4,871.48
  6. Step 6: Final answer
    x = 3,830.74

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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.