Home / 4,996.90-7,495.80-1,299.12

Finding the Fourth Proportional to 4,996.90, 7,495.80 and 1,299.12

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Solution

The fourth proportional to 4,996.90, 7,495.80 and 1,299.12 is: 1,948.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,996.90 : 7,495.80 = 1,299.12 : x
  2. Step 2: Convert to fraction form
    4,996.90/7,495.80 = 1,299.12/x
  3. Step 3: Cross multiply
    4,996.90x = 7,495.80 × 1,299.12
  4. Step 4: Simplify right side
    4,996.90x = 9,737,943.70
  5. Step 5: Solve for x
    x = 9,737,943.70/4,996.90
  6. Step 6: Final answer
    x = 1,948.80

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1.5x scale

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.