Home / 5,736.48-7,915.76-3,497.28

Finding the Fourth Proportional to 5,736.48, 7,915.76 and 3,497.28

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Solution

The fourth proportional to 5,736.48, 7,915.76 and 3,497.28 is: 4,825.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,736.48 : 7,915.76 = 3,497.28 : x
  2. Step 2: Convert to fraction form
    5,736.48/7,915.76 = 3,497.28/x
  3. Step 3: Cross multiply
    5,736.48x = 7,915.76 × 3,497.28
  4. Step 4: Simplify right side
    5,736.48x = 27,683,629.13
  5. Step 5: Solve for x
    x = 27,683,629.13/5,736.48
  6. Step 6: Final answer
    x = 4,825.89

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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.