Home / 4,628.13-6,387.04-2,638.88

Finding the Fourth Proportional to 4,628.13, 6,387.04 and 2,638.88

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Solution

The fourth proportional to 4,628.13, 6,387.04 and 2,638.88 is: 3,641.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,628.13 : 6,387.04 = 2,638.88 : x
  2. Step 2: Convert to fraction form
    4,628.13/6,387.04 = 2,638.88/x
  3. Step 3: Cross multiply
    4,628.13x = 6,387.04 × 2,638.88
  4. Step 4: Simplify right side
    4,628.13x = 16,854,586.99
  5. Step 5: Solve for x
    x = 16,854,586.99/4,628.13
  6. Step 6: Final answer
    x = 3,641.77

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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.