Home / 7,925.92-11,888.96-2,379.32

Finding the Fourth Proportional to 7,925.92, 11,888.96 and 2,379.32

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Solution

The fourth proportional to 7,925.92, 11,888.96 and 2,379.32 is: 3,569.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,925.92 : 11,888.96 = 2,379.32 : x
  2. Step 2: Convert to fraction form
    7,925.92/11,888.96 = 2,379.32/x
  3. Step 3: Cross multiply
    7,925.92x = 11,888.96 × 2,379.32
  4. Step 4: Simplify right side
    7,925.92x = 28,287,640.31
  5. Step 5: Solve for x
    x = 28,287,640.31/7,925.92
  6. Step 6: Final answer
    x = 3,569.00

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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.