Home / 7,827.11-11,670.83-6,957.77

Finding the Fourth Proportional to 7,827.11, 11,670.83 and 6,957.77

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Solution

The fourth proportional to 7,827.11, 11,670.83 and 6,957.77 is: 10,374.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,827.11 : 11,670.83 = 6,957.77 : x
  2. Step 2: Convert to fraction form
    7,827.11/11,670.83 = 6,957.77/x
  3. Step 3: Cross multiply
    7,827.11x = 11,670.83 × 6,957.77
  4. Step 4: Simplify right side
    7,827.11x = 81,202,857.71
  5. Step 5: Solve for x
    x = 81,202,857.71/7,827.11
  6. Step 6: Final answer
    x = 10,374.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.