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Finding the Fourth Proportional to 4,632.92, 6,948.80 and 1,859.48

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Solution

The fourth proportional to 4,632.92, 6,948.80 and 1,859.48 is: 2,788.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,632.92 : 6,948.80 = 1,859.48 : x
  2. Step 2: Convert to fraction form
    4,632.92/6,948.80 = 1,859.48/x
  3. Step 3: Cross multiply
    4,632.92x = 6,948.80 × 1,859.48
  4. Step 4: Simplify right side
    4,632.92x = 12,921,154.62
  5. Step 5: Solve for x
    x = 12,921,154.62/4,632.92
  6. Step 6: Final answer
    x = 2,788.99

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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.