Home / 7,350.32-10,143.96-4,206.80

Finding the Fourth Proportional to 7,350.32, 10,143.96 and 4,206.80

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Solution

The fourth proportional to 7,350.32, 10,143.96 and 4,206.80 is: 5,805.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,350.32 : 10,143.96 = 4,206.80 : x
  2. Step 2: Convert to fraction form
    7,350.32/10,143.96 = 4,206.80/x
  3. Step 3: Cross multiply
    7,350.32x = 10,143.96 × 4,206.80
  4. Step 4: Simplify right side
    7,350.32x = 42,673,610.93
  5. Step 5: Solve for x
    x = 42,673,610.93/7,350.32
  6. Step 6: Final answer
    x = 5,805.68

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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.