Home / 7,916.60-10,923.77-4,379.81

Finding the Fourth Proportional to 7,916.60, 10,923.77 and 4,379.81

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Solution

The fourth proportional to 7,916.60, 10,923.77 and 4,379.81 is: 6,043.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,916.60 : 10,923.77 = 4,379.81 : x
  2. Step 2: Convert to fraction form
    7,916.60/10,923.77 = 4,379.81/x
  3. Step 3: Cross multiply
    7,916.60x = 10,923.77 × 4,379.81
  4. Step 4: Simplify right side
    7,916.60x = 47,843,960.57
  5. Step 5: Solve for x
    x = 47,843,960.57/7,916.60
  6. Step 6: Final answer
    x = 6,043.50

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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.