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Finding the Fourth Proportional to 4,894.70, 6,754.89 and 3,479.90

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Solution

The fourth proportional to 4,894.70, 6,754.89 and 3,479.90 is: 4,802.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,894.70 : 6,754.89 = 3,479.90 : x
  2. Step 2: Convert to fraction form
    4,894.70/6,754.89 = 3,479.90/x
  3. Step 3: Cross multiply
    4,894.70x = 6,754.89 × 3,479.90
  4. Step 4: Simplify right side
    4,894.70x = 23,506,341.71
  5. Step 5: Solve for x
    x = 23,506,341.71/4,894.70
  6. Step 6: Final answer
    x = 4,802.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.