Home / 7,925.07-11,887.65-2,081.55

Finding the Fourth Proportional to 7,925.07, 11,887.65 and 2,081.55

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Solution

The fourth proportional to 7,925.07, 11,887.65 and 2,081.55 is: 3,122.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,925.07 : 11,887.65 = 2,081.55 : x
  2. Step 2: Convert to fraction form
    7,925.07/11,887.65 = 2,081.55/x
  3. Step 3: Cross multiply
    7,925.07x = 11,887.65 × 2,081.55
  4. Step 4: Simplify right side
    7,925.07x = 24,744,737.86
  5. Step 5: Solve for x
    x = 24,744,737.86/7,925.07
  6. Step 6: Final answer
    x = 3,122.34

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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.