Home / 4,689.28-7,035.74-2,090.44

Finding the Fourth Proportional to 4,689.28, 7,035.74 and 2,090.44

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Solution

The fourth proportional to 4,689.28, 7,035.74 and 2,090.44 is: 3,136.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,689.28 : 7,035.74 = 2,090.44 : x
  2. Step 2: Convert to fraction form
    4,689.28/7,035.74 = 2,090.44/x
  3. Step 3: Cross multiply
    4,689.28x = 7,035.74 × 2,090.44
  4. Step 4: Simplify right side
    4,689.28x = 14,707,792.33
  5. Step 5: Solve for x
    x = 14,707,792.33/4,689.28
  6. Step 6: Final answer
    x = 3,136.47

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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.