Home / 8,258.58-12,385.38-4,360.86

Finding the Fourth Proportional to 8,258.58, 12,385.38 and 4,360.86

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Solution

The fourth proportional to 8,258.58, 12,385.38 and 4,360.86 is: 6,539.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,258.58 : 12,385.38 = 4,360.86 : x
  2. Step 2: Convert to fraction form
    8,258.58/12,385.38 = 4,360.86/x
  3. Step 3: Cross multiply
    8,258.58x = 12,385.38 × 4,360.86
  4. Step 4: Simplify right side
    8,258.58x = 54,010,908.23
  5. Step 5: Solve for x
    x = 54,010,908.23/8,258.58
  6. Step 6: Final answer
    x = 6,539.98

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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.