Home / 7,916.27-11,883.60-4,631.72

Finding the Fourth Proportional to 7,916.27, 11,883.60 and 4,631.72

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Solution

The fourth proportional to 7,916.27, 11,883.60 and 4,631.72 is: 6,952.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,916.27 : 11,883.60 = 4,631.72 : x
  2. Step 2: Convert to fraction form
    7,916.27/11,883.60 = 4,631.72/x
  3. Step 3: Cross multiply
    7,916.27x = 11,883.60 × 4,631.72
  4. Step 4: Simplify right side
    7,916.27x = 55,041,448.37
  5. Step 5: Solve for x
    x = 55,041,448.37/7,916.27
  6. Step 6: Final answer
    x = 6,952.96

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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.