Home / 4,746.72-7,119.36-1,668

Finding the Fourth Proportional to 4,746.72, 7,119.36 and 1,668

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Solution

The fourth proportional to 4,746.72, 7,119.36 and 1,668 is: 2,501.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,746.72 : 7,119.36 = 1,668 : x
  2. Step 2: Convert to fraction form
    4,746.72/7,119.36 = 1,668/x
  3. Step 3: Cross multiply
    4,746.72x = 7,119.36 × 1,668
  4. Step 4: Simplify right side
    4,746.72x = 11,875,092.48
  5. Step 5: Solve for x
    x = 11,875,092.48/4,746.72
  6. Step 6: Final answer
    x = 2,501.75

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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.