Home / 6,242.10-8,614.20-3,409.50

Finding the Fourth Proportional to 6,242.10, 8,614.20 and 3,409.50

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Solution

The fourth proportional to 6,242.10, 8,614.20 and 3,409.50 is: 4,705.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,242.10 : 8,614.20 = 3,409.50 : x
  2. Step 2: Convert to fraction form
    6,242.10/8,614.20 = 3,409.50/x
  3. Step 3: Cross multiply
    6,242.10x = 8,614.20 × 3,409.50
  4. Step 4: Simplify right side
    6,242.10x = 29,370,114.90
  5. Step 5: Solve for x
    x = 29,370,114.90/6,242.10
  6. Step 6: Final answer
    x = 4,705.17

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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.