Home / 4,628.53-6,387.54-2,638.77

Finding the Fourth Proportional to 4,628.53, 6,387.54 and 2,638.77

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Solution

The fourth proportional to 4,628.53, 6,387.54 and 2,638.77 is: 3,641.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,628.53 : 6,387.54 = 2,638.77 : x
  2. Step 2: Convert to fraction form
    4,628.53/6,387.54 = 2,638.77/x
  3. Step 3: Cross multiply
    4,628.53x = 6,387.54 × 2,638.77
  4. Step 4: Simplify right side
    4,628.53x = 16,855,248.93
  5. Step 5: Solve for x
    x = 16,855,248.93/4,628.53
  6. Step 6: Final answer
    x = 3,641.60

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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.