Home / 8,156.13-12,235.73-4,650.09

Finding the Fourth Proportional to 8,156.13, 12,235.73 and 4,650.09

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Solution

The fourth proportional to 8,156.13, 12,235.73 and 4,650.09 is: 6,976.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,156.13 : 12,235.73 = 4,650.09 : x
  2. Step 2: Convert to fraction form
    8,156.13/12,235.73 = 4,650.09/x
  3. Step 3: Cross multiply
    8,156.13x = 12,235.73 × 4,650.09
  4. Step 4: Simplify right side
    8,156.13x = 56,897,222.47
  5. Step 5: Solve for x
    x = 56,897,222.47/8,156.13
  6. Step 6: Final answer
    x = 6,976.01

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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.