Home / 4,610.36-6,915.58-1,147.48

Finding the Fourth Proportional to 4,610.36, 6,915.58 and 1,147.48

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Solution

The fourth proportional to 4,610.36, 6,915.58 and 1,147.48 is: 1,721.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,610.36 : 6,915.58 = 1,147.48 : x
  2. Step 2: Convert to fraction form
    4,610.36/6,915.58 = 1,147.48/x
  3. Step 3: Cross multiply
    4,610.36x = 6,915.58 × 1,147.48
  4. Step 4: Simplify right side
    4,610.36x = 7,935,489.74
  5. Step 5: Solve for x
    x = 7,935,489.74/4,610.36
  6. Step 6: Final answer
    x = 1,721.23

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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.