Home / 5,153.81-7,732.16-1,693.49

Finding the Fourth Proportional to 5,153.81, 7,732.16 and 1,693.49

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Solution

The fourth proportional to 5,153.81, 7,732.16 and 1,693.49 is: 2,540.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153.81 : 7,732.16 = 1,693.49 : x
  2. Step 2: Convert to fraction form
    5,153.81/7,732.16 = 1,693.49/x
  3. Step 3: Cross multiply
    5,153.81x = 7,732.16 × 1,693.49
  4. Step 4: Simplify right side
    5,153.81x = 13,094,335.64
  5. Step 5: Solve for x
    x = 13,094,335.64/5,153.81
  6. Step 6: Final answer
    x = 2,540.71

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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.