Home / 7,391.08-11,088.78-3,005.92

Finding the Fourth Proportional to 7,391.08, 11,088.78 and 3,005.92

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Solution

The fourth proportional to 7,391.08, 11,088.78 and 3,005.92 is: 4,509.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,391.08 : 11,088.78 = 3,005.92 : x
  2. Step 2: Convert to fraction form
    7,391.08/11,088.78 = 3,005.92/x
  3. Step 3: Cross multiply
    7,391.08x = 11,088.78 × 3,005.92
  4. Step 4: Simplify right side
    7,391.08x = 33,331,985.58
  5. Step 5: Solve for x
    x = 33,331,985.58/7,391.08
  6. Step 6: Final answer
    x = 4,509.76

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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.