Home / 4,638.68-6,400.98-2,648.84

Finding the Fourth Proportional to 4,638.68, 6,400.98 and 2,648.84

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Solution

The fourth proportional to 4,638.68, 6,400.98 and 2,648.84 is: 3,655.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,638.68 : 6,400.98 = 2,648.84 : x
  2. Step 2: Convert to fraction form
    4,638.68/6,400.98 = 2,648.84/x
  3. Step 3: Cross multiply
    4,638.68x = 6,400.98 × 2,648.84
  4. Step 4: Simplify right side
    4,638.68x = 16,955,171.86
  5. Step 5: Solve for x
    x = 16,955,171.86/4,638.68
  6. Step 6: Final answer
    x = 3,655.17

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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.