Home / 7,839.12-10,817.46-4,302.12

Finding the Fourth Proportional to 7,839.12, 10,817.46 and 4,302.12

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Solution

The fourth proportional to 7,839.12, 10,817.46 and 4,302.12 is: 5,936.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,839.12 : 10,817.46 = 4,302.12 : x
  2. Step 2: Convert to fraction form
    7,839.12/10,817.46 = 4,302.12/x
  3. Step 3: Cross multiply
    7,839.12x = 10,817.46 × 4,302.12
  4. Step 4: Simplify right side
    7,839.12x = 46,538,011.02
  5. Step 5: Solve for x
    x = 46,538,011.02/7,839.12
  6. Step 6: Final answer
    x = 5,936.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.