Home / 7,887.06-11,830.20-2,956.32

Finding the Fourth Proportional to 7,887.06, 11,830.20 and 2,956.32

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Solution

The fourth proportional to 7,887.06, 11,830.20 and 2,956.32 is: 4,434.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887.06 : 11,830.20 = 2,956.32 : x
  2. Step 2: Convert to fraction form
    7,887.06/11,830.20 = 2,956.32/x
  3. Step 3: Cross multiply
    7,887.06x = 11,830.20 × 2,956.32
  4. Step 4: Simplify right side
    7,887.06x = 34,973,856.86
  5. Step 5: Solve for x
    x = 34,973,856.86/7,887.06
  6. Step 6: Final answer
    x = 4,434.33

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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.