Home / 4,416.80-6,614.40-2,105.60

Finding the Fourth Proportional to 4,416.80, 6,614.40 and 2,105.60

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Solution

The fourth proportional to 4,416.80, 6,614.40 and 2,105.60 is: 3,153.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,416.80 : 6,614.40 = 2,105.60 : x
  2. Step 2: Convert to fraction form
    4,416.80/6,614.40 = 2,105.60/x
  3. Step 3: Cross multiply
    4,416.80x = 6,614.40 × 2,105.60
  4. Step 4: Simplify right side
    4,416.80x = 13,927,280.64
  5. Step 5: Solve for x
    x = 13,927,280.64/4,416.80
  6. Step 6: Final answer
    x = 3,153.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.