Home / 5,085.16-7,617.48-3,984.28

Finding the Fourth Proportional to 5,085.16, 7,617.48 and 3,984.28

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Solution

The fourth proportional to 5,085.16, 7,617.48 and 3,984.28 is: 5,968.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,085.16 : 7,617.48 = 3,984.28 : x
  2. Step 2: Convert to fraction form
    5,085.16/7,617.48 = 3,984.28/x
  3. Step 3: Cross multiply
    5,085.16x = 7,617.48 × 3,984.28
  4. Step 4: Simplify right side
    5,085.16x = 30,350,173.21
  5. Step 5: Solve for x
    x = 30,350,173.21/5,085.16
  6. Step 6: Final answer
    x = 5,968.38

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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.