Home / 4,429.28-6,646.80-2,240.48

Finding the Fourth Proportional to 4,429.28, 6,646.80 and 2,240.48

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Solution

The fourth proportional to 4,429.28, 6,646.80 and 2,240.48 is: 3,362.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,429.28 : 6,646.80 = 2,240.48 : x
  2. Step 2: Convert to fraction form
    4,429.28/6,646.80 = 2,240.48/x
  3. Step 3: Cross multiply
    4,429.28x = 6,646.80 × 2,240.48
  4. Step 4: Simplify right side
    4,429.28x = 14,892,022.46
  5. Step 5: Solve for x
    x = 14,892,022.46/4,429.28
  6. Step 6: Final answer
    x = 3,362.18

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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.