Home / 8,785.56-12,124.40-4,806.60

Finding the Fourth Proportional to 8,785.56, 12,124.40 and 4,806.60

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Solution

The fourth proportional to 8,785.56, 12,124.40 and 4,806.60 is: 6,633.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,785.56 : 12,124.40 = 4,806.60 : x
  2. Step 2: Convert to fraction form
    8,785.56/12,124.40 = 4,806.60/x
  3. Step 3: Cross multiply
    8,785.56x = 12,124.40 × 4,806.60
  4. Step 4: Simplify right side
    8,785.56x = 58,277,141.04
  5. Step 5: Solve for x
    x = 58,277,141.04/8,785.56
  6. Step 6: Final answer
    x = 6,633.29

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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.