Home / 9,887.28-14,830.86-2,961.78

Finding the Fourth Proportional to 9,887.28, 14,830.86 and 2,961.78

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Solution

The fourth proportional to 9,887.28, 14,830.86 and 2,961.78 is: 4,442.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,887.28 : 14,830.86 = 2,961.78 : x
  2. Step 2: Convert to fraction form
    9,887.28/14,830.86 = 2,961.78/x
  3. Step 3: Cross multiply
    9,887.28x = 14,830.86 × 2,961.78
  4. Step 4: Simplify right side
    9,887.28x = 43,925,744.53
  5. Step 5: Solve for x
    x = 43,925,744.53/9,887.28
  6. Step 6: Final answer
    x = 4,442.65

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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.