Home / 4,640.12-6,409.50-3,459.14

Finding the Fourth Proportional to 4,640.12, 6,409.50 and 3,459.14

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Solution

The fourth proportional to 4,640.12, 6,409.50 and 3,459.14 is: 4,778.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,640.12 : 6,409.50 = 3,459.14 : x
  2. Step 2: Convert to fraction form
    4,640.12/6,409.50 = 3,459.14/x
  3. Step 3: Cross multiply
    4,640.12x = 6,409.50 × 3,459.14
  4. Step 4: Simplify right side
    4,640.12x = 22,171,357.83
  5. Step 5: Solve for x
    x = 22,171,357.83/4,640.12
  6. Step 6: Final answer
    x = 4,778.19

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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.