Home / 7,839.03-10,817.81-4,253.91

Finding the Fourth Proportional to 7,839.03, 10,817.81 and 4,253.91

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Solution

The fourth proportional to 7,839.03, 10,817.81 and 4,253.91 is: 5,870.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,839.03 : 10,817.81 = 4,253.91 : x
  2. Step 2: Convert to fraction form
    7,839.03/10,817.81 = 4,253.91/x
  3. Step 3: Cross multiply
    7,839.03x = 10,817.81 × 4,253.91
  4. Step 4: Simplify right side
    7,839.03x = 46,017,968.87
  5. Step 5: Solve for x
    x = 46,017,968.87/7,839.03
  6. Step 6: Final answer
    x = 5,870.37

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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.