Home / 9,759.19-14,639.48-3,915.81

Finding the Fourth Proportional to 9,759.19, 14,639.48 and 3,915.81

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Solution

The fourth proportional to 9,759.19, 14,639.48 and 3,915.81 is: 5,873.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,759.19 : 14,639.48 = 3,915.81 : x
  2. Step 2: Convert to fraction form
    9,759.19/14,639.48 = 3,915.81/x
  3. Step 3: Cross multiply
    9,759.19x = 14,639.48 × 3,915.81
  4. Step 4: Simplify right side
    9,759.19x = 57,325,422.18
  5. Step 5: Solve for x
    x = 57,325,422.18/9,759.19
  6. Step 6: Final answer
    x = 5,873.99

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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.