Home / 5,812.14-8,023.82-4,915.47

Finding the Fourth Proportional to 5,812.14, 8,023.82 and 4,915.47

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Solution

The fourth proportional to 5,812.14, 8,023.82 and 4,915.47 is: 6,785.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,812.14 : 8,023.82 = 4,915.47 : x
  2. Step 2: Convert to fraction form
    5,812.14/8,023.82 = 4,915.47/x
  3. Step 3: Cross multiply
    5,812.14x = 8,023.82 × 4,915.47
  4. Step 4: Simplify right side
    5,812.14x = 39,440,821.92
  5. Step 5: Solve for x
    x = 39,440,821.92/5,812.14
  6. Step 6: Final answer
    x = 6,785.94

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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.