Home / 7,776.95-11,670.32-4,081.82

Finding the Fourth Proportional to 7,776.95, 11,670.32 and 4,081.82

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Solution

The fourth proportional to 7,776.95, 11,670.32 and 4,081.82 is: 6,125.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776.95 : 11,670.32 = 4,081.82 : x
  2. Step 2: Convert to fraction form
    7,776.95/11,670.32 = 4,081.82/x
  3. Step 3: Cross multiply
    7,776.95x = 11,670.32 × 4,081.82
  4. Step 4: Simplify right side
    7,776.95x = 47,636,097.44
  5. Step 5: Solve for x
    x = 47,636,097.44/7,776.95
  6. Step 6: Final answer
    x = 6,125.30

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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.