Home / 4,318.24-6,476.64-1,720.48

Finding the Fourth Proportional to 4,318.24, 6,476.64 and 1,720.48

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Solution

The fourth proportional to 4,318.24, 6,476.64 and 1,720.48 is: 2,580.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,318.24 : 6,476.64 = 1,720.48 : x
  2. Step 2: Convert to fraction form
    4,318.24/6,476.64 = 1,720.48/x
  3. Step 3: Cross multiply
    4,318.24x = 6,476.64 × 1,720.48
  4. Step 4: Simplify right side
    4,318.24x = 11,142,929.59
  5. Step 5: Solve for x
    x = 11,142,929.59/4,318.24
  6. Step 6: Final answer
    x = 2,580.43

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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.