Home / 8,176.83-11,285.32-4,990.82

Finding the Fourth Proportional to 8,176.83, 11,285.32 and 4,990.82

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Solution

The fourth proportional to 8,176.83, 11,285.32 and 4,990.82 is: 6,888.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176.83 : 11,285.32 = 4,990.82 : x
  2. Step 2: Convert to fraction form
    8,176.83/11,285.32 = 4,990.82/x
  3. Step 3: Cross multiply
    8,176.83x = 11,285.32 × 4,990.82
  4. Step 4: Simplify right side
    8,176.83x = 56,323,000.76
  5. Step 5: Solve for x
    x = 56,323,000.76/8,176.83
  6. Step 6: Final answer
    x = 6,888.12

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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.