Home / 4,638.08-6,400.55-2,513.61

Finding the Fourth Proportional to 4,638.08, 6,400.55 and 2,513.61

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Solution

The fourth proportional to 4,638.08, 6,400.55 and 2,513.61 is: 3,468.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,638.08 : 6,400.55 = 2,513.61 : x
  2. Step 2: Convert to fraction form
    4,638.08/6,400.55 = 2,513.61/x
  3. Step 3: Cross multiply
    4,638.08x = 6,400.55 × 2,513.61
  4. Step 4: Simplify right side
    4,638.08x = 16,088,477.42
  5. Step 5: Solve for x
    x = 16,088,477.42/4,638.08
  6. Step 6: Final answer
    x = 3,468.78

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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.