Home / 7,143.36-10,706.68-4,371.34

Finding the Fourth Proportional to 7,143.36, 10,706.68 and 4,371.34

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Solution

The fourth proportional to 7,143.36, 10,706.68 and 4,371.34 is: 6,551.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,143.36 : 10,706.68 = 4,371.34 : x
  2. Step 2: Convert to fraction form
    7,143.36/10,706.68 = 4,371.34/x
  3. Step 3: Cross multiply
    7,143.36x = 10,706.68 × 4,371.34
  4. Step 4: Simplify right side
    7,143.36x = 46,802,538.55
  5. Step 5: Solve for x
    x = 46,802,538.55/7,143.36
  6. Step 6: Final answer
    x = 6,551.89

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1.5x scale

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.