Home / 4,643.28-6,964.28-1,721.18

Finding the Fourth Proportional to 4,643.28, 6,964.28 and 1,721.18

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Solution

The fourth proportional to 4,643.28, 6,964.28 and 1,721.18 is: 2,581.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,643.28 : 6,964.28 = 1,721.18 : x
  2. Step 2: Convert to fraction form
    4,643.28/6,964.28 = 1,721.18/x
  3. Step 3: Cross multiply
    4,643.28x = 6,964.28 × 1,721.18
  4. Step 4: Simplify right side
    4,643.28x = 11,986,779.45
  5. Step 5: Solve for x
    x = 11,986,779.45/4,643.28
  6. Step 6: Final answer
    x = 2,581.53

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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.