Home / 7,915.28-11,863.65-4,403.63

Finding the Fourth Proportional to 7,915.28, 11,863.65 and 4,403.63

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Solution

The fourth proportional to 7,915.28, 11,863.65 and 4,403.63 is: 6,600.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,915.28 : 11,863.65 = 4,403.63 : x
  2. Step 2: Convert to fraction form
    7,915.28/11,863.65 = 4,403.63/x
  3. Step 3: Cross multiply
    7,915.28x = 11,863.65 × 4,403.63
  4. Step 4: Simplify right side
    7,915.28x = 52,243,103.03
  5. Step 5: Solve for x
    x = 52,243,103.03/7,915.28
  6. Step 6: Final answer
    x = 6,600.28

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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.