Home / 7,946.08-11,920.70-2,399.72

Finding the Fourth Proportional to 7,946.08, 11,920.70 and 2,399.72

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Solution

The fourth proportional to 7,946.08, 11,920.70 and 2,399.72 is: 3,600.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,946.08 : 11,920.70 = 2,399.72 : x
  2. Step 2: Convert to fraction form
    7,946.08/11,920.70 = 2,399.72/x
  3. Step 3: Cross multiply
    7,946.08x = 11,920.70 × 2,399.72
  4. Step 4: Simplify right side
    7,946.08x = 28,606,342.20
  5. Step 5: Solve for x
    x = 28,606,342.20/7,946.08
  6. Step 6: Final answer
    x = 3,600.06

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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.