Home / 4,624.40-6,381.24-2,635.40

Finding the Fourth Proportional to 4,624.40, 6,381.24 and 2,635.40

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Solution

The fourth proportional to 4,624.40, 6,381.24 and 2,635.40 is: 3,636.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,624.40 : 6,381.24 = 2,635.40 : x
  2. Step 2: Convert to fraction form
    4,624.40/6,381.24 = 2,635.40/x
  3. Step 3: Cross multiply
    4,624.40x = 6,381.24 × 2,635.40
  4. Step 4: Simplify right side
    4,624.40x = 16,817,119.90
  5. Step 5: Solve for x
    x = 16,817,119.90/4,624.40
  6. Step 6: Final answer
    x = 3,636.61

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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.