Home / 5,353.86-7,387.67-2,963.65

Finding the Fourth Proportional to 5,353.86, 7,387.67 and 2,963.65

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Solution

The fourth proportional to 5,353.86, 7,387.67 and 2,963.65 is: 4,089.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,353.86 : 7,387.67 = 2,963.65 : x
  2. Step 2: Convert to fraction form
    5,353.86/7,387.67 = 2,963.65/x
  3. Step 3: Cross multiply
    5,353.86x = 7,387.67 × 2,963.65
  4. Step 4: Simplify right side
    5,353.86x = 21,894,487.63
  5. Step 5: Solve for x
    x = 21,894,487.63/5,353.86
  6. Step 6: Final answer
    x = 4,089.48

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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.