Home / 7,144.36-10,708.18-4,372.34

Finding the Fourth Proportional to 7,144.36, 10,708.18 and 4,372.34

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Solution

The fourth proportional to 7,144.36, 10,708.18 and 4,372.34 is: 6,553.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,144.36 : 10,708.18 = 4,372.34 : x
  2. Step 2: Convert to fraction form
    7,144.36/10,708.18 = 4,372.34/x
  3. Step 3: Cross multiply
    7,144.36x = 10,708.18 × 4,372.34
  4. Step 4: Simplify right side
    7,144.36x = 46,819,803.74
  5. Step 5: Solve for x
    x = 46,819,803.74/7,144.36
  6. Step 6: Final answer
    x = 6,553.39

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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.