Home / 9,780.07-14,669.96-3,936.53

Finding the Fourth Proportional to 9,780.07, 14,669.96 and 3,936.53

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Solution

The fourth proportional to 9,780.07, 14,669.96 and 3,936.53 is: 5,904.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,780.07 : 14,669.96 = 3,936.53 : x
  2. Step 2: Convert to fraction form
    9,780.07/14,669.96 = 3,936.53/x
  3. Step 3: Cross multiply
    9,780.07x = 14,669.96 × 3,936.53
  4. Step 4: Simplify right side
    9,780.07x = 57,748,737.64
  5. Step 5: Solve for x
    x = 57,748,737.64/9,780.07
  6. Step 6: Final answer
    x = 5,904.74

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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.