Home / 8,081.64-11,140.62-4,935.72

Finding the Fourth Proportional to 8,081.64, 11,140.62 and 4,935.72

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Solution

The fourth proportional to 8,081.64, 11,140.62 and 4,935.72 is: 6,803.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,081.64 : 11,140.62 = 4,935.72 : x
  2. Step 2: Convert to fraction form
    8,081.64/11,140.62 = 4,935.72/x
  3. Step 3: Cross multiply
    8,081.64x = 11,140.62 × 4,935.72
  4. Step 4: Simplify right side
    8,081.64x = 54,986,980.95
  5. Step 5: Solve for x
    x = 54,986,980.95/8,081.64
  6. Step 6: Final answer
    x = 6,803.94

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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.