Home / 5,011.44-6,915.32-2,915.68

Finding the Fourth Proportional to 5,011.44, 6,915.32 and 2,915.68

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Solution

The fourth proportional to 5,011.44, 6,915.32 and 2,915.68 is: 4,023.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,011.44 : 6,915.32 = 2,915.68 : x
  2. Step 2: Convert to fraction form
    5,011.44/6,915.32 = 2,915.68/x
  3. Step 3: Cross multiply
    5,011.44x = 6,915.32 × 2,915.68
  4. Step 4: Simplify right side
    5,011.44x = 20,162,860.22
  5. Step 5: Solve for x
    x = 20,162,860.22/5,011.44
  6. Step 6: Final answer
    x = 4,023.37

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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.