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Finding the Fourth Proportional to 5,068.92, 6,994.62 and 2,830.62

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Solution

The fourth proportional to 5,068.92, 6,994.62 and 2,830.62 is: 3,905.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,068.92 : 6,994.62 = 2,830.62 : x
  2. Step 2: Convert to fraction form
    5,068.92/6,994.62 = 2,830.62/x
  3. Step 3: Cross multiply
    5,068.92x = 6,994.62 × 2,830.62
  4. Step 4: Simplify right side
    5,068.92x = 19,799,111.26
  5. Step 5: Solve for x
    x = 19,799,111.26/5,068.92
  6. Step 6: Final answer
    x = 3,905.98

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1.5x scale

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.