Home / 4,622.20-6,929.10-1,699.80

Finding the Fourth Proportional to 4,622.20, 6,929.10 and 1,699.80

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Solution

The fourth proportional to 4,622.20, 6,929.10 and 1,699.80 is: 2,548.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,622.20 : 6,929.10 = 1,699.80 : x
  2. Step 2: Convert to fraction form
    4,622.20/6,929.10 = 1,699.80/x
  3. Step 3: Cross multiply
    4,622.20x = 6,929.10 × 1,699.80
  4. Step 4: Simplify right side
    4,622.20x = 11,778,084.18
  5. Step 5: Solve for x
    x = 11,778,084.18/4,622.20
  6. Step 6: Final answer
    x = 2,548.16

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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.