Home / 4,184.64-6,275.90-1,720.14

Finding the Fourth Proportional to 4,184.64, 6,275.90 and 1,720.14

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Solution

The fourth proportional to 4,184.64, 6,275.90 and 1,720.14 is: 2,579.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,184.64 : 6,275.90 = 1,720.14 : x
  2. Step 2: Convert to fraction form
    4,184.64/6,275.90 = 1,720.14/x
  3. Step 3: Cross multiply
    4,184.64x = 6,275.90 × 1,720.14
  4. Step 4: Simplify right side
    4,184.64x = 10,795,426.63
  5. Step 5: Solve for x
    x = 10,795,426.63/4,184.64
  6. Step 6: Final answer
    x = 2,579.77

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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.