Home / 4,990.70-7,484.52-2,068.31

Finding the Fourth Proportional to 4,990.70, 7,484.52 and 2,068.31

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Solution

The fourth proportional to 4,990.70, 7,484.52 and 2,068.31 is: 3,101.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.70 : 7,484.52 = 2,068.31 : x
  2. Step 2: Convert to fraction form
    4,990.70/7,484.52 = 2,068.31/x
  3. Step 3: Cross multiply
    4,990.70x = 7,484.52 × 2,068.31
  4. Step 4: Simplify right side
    4,990.70x = 15,480,326.27
  5. Step 5: Solve for x
    x = 15,480,326.27/4,990.70
  6. Step 6: Final answer
    x = 3,101.84

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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.