Home / 4,628.37-6,387.08-2,638.92

Finding the Fourth Proportional to 4,628.37, 6,387.08 and 2,638.92

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Solution

The fourth proportional to 4,628.37, 6,387.08 and 2,638.92 is: 3,641.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,628.37 : 6,387.08 = 2,638.92 : x
  2. Step 2: Convert to fraction form
    4,628.37/6,387.08 = 2,638.92/x
  3. Step 3: Cross multiply
    4,628.37x = 6,387.08 × 2,638.92
  4. Step 4: Simplify right side
    4,628.37x = 16,854,979.96
  5. Step 5: Solve for x
    x = 16,854,979.96/4,628.37
  6. Step 6: Final answer
    x = 3,641.67

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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.