Home / 9,865.12-14,795.16-2,938

Finding the Fourth Proportional to 9,865.12, 14,795.16 and 2,938

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Solution

The fourth proportional to 9,865.12, 14,795.16 and 2,938 is: 4,406.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,865.12 : 14,795.16 = 2,938 : x
  2. Step 2: Convert to fraction form
    9,865.12/14,795.16 = 2,938/x
  3. Step 3: Cross multiply
    9,865.12x = 14,795.16 × 2,938
  4. Step 4: Simplify right side
    9,865.12x = 43,468,180.08
  5. Step 5: Solve for x
    x = 43,468,180.08/9,865.12
  6. Step 6: Final answer
    x = 4,406.25

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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.