Home / 7,839.05-10,817.91-4,302.45

Finding the Fourth Proportional to 7,839.05, 10,817.91 and 4,302.45

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Solution

The fourth proportional to 7,839.05, 10,817.91 and 4,302.45 is: 5,937.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,839.05 : 10,817.91 = 4,302.45 : x
  2. Step 2: Convert to fraction form
    7,839.05/10,817.91 = 4,302.45/x
  3. Step 3: Cross multiply
    7,839.05x = 10,817.91 × 4,302.45
  4. Step 4: Simplify right side
    7,839.05x = 46,543,516.88
  5. Step 5: Solve for x
    x = 46,543,516.88/7,839.05
  6. Step 6: Final answer
    x = 5,937.40

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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.