Home / 9,938.75-14,904.95-2,919.29

Finding the Fourth Proportional to 9,938.75, 14,904.95 and 2,919.29

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Solution

The fourth proportional to 9,938.75, 14,904.95 and 2,919.29 is: 4,378.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,938.75 : 14,904.95 = 2,919.29 : x
  2. Step 2: Convert to fraction form
    9,938.75/14,904.95 = 2,919.29/x
  3. Step 3: Cross multiply
    9,938.75x = 14,904.95 × 2,919.29
  4. Step 4: Simplify right side
    9,938.75x = 43,511,782.36
  5. Step 5: Solve for x
    x = 43,511,782.36/9,938.75
  6. Step 6: Final answer
    x = 4,378.00

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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.