Home / 8,635.28-11,916.60-4,806.86

Finding the Fourth Proportional to 8,635.28, 11,916.60 and 4,806.86

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Solution

The fourth proportional to 8,635.28, 11,916.60 and 4,806.86 is: 6,633.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,635.28 : 11,916.60 = 4,806.86 : x
  2. Step 2: Convert to fraction form
    8,635.28/11,916.60 = 4,806.86/x
  3. Step 3: Cross multiply
    8,635.28x = 11,916.60 × 4,806.86
  4. Step 4: Simplify right side
    8,635.28x = 57,281,397.44
  5. Step 5: Solve for x
    x = 57,281,397.44/8,635.28
  6. Step 6: Final answer
    x = 6,633.41

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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.