Home / 5,354.65-7,389.51-2,996.78

Finding the Fourth Proportional to 5,354.65, 7,389.51 and 2,996.78

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Solution

The fourth proportional to 5,354.65, 7,389.51 and 2,996.78 is: 4,135.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,354.65 : 7,389.51 = 2,996.78 : x
  2. Step 2: Convert to fraction form
    5,354.65/7,389.51 = 2,996.78/x
  3. Step 3: Cross multiply
    5,354.65x = 7,389.51 × 2,996.78
  4. Step 4: Simplify right side
    5,354.65x = 22,144,737.59
  5. Step 5: Solve for x
    x = 22,144,737.59/5,354.65
  6. Step 6: Final answer
    x = 4,135.61

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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.