Home / 7,029.20-10,532.40-3,322.64

Finding the Fourth Proportional to 7,029.20, 10,532.40 and 3,322.64

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Solution

The fourth proportional to 7,029.20, 10,532.40 and 3,322.64 is: 4,978.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,029.20 : 10,532.40 = 3,322.64 : x
  2. Step 2: Convert to fraction form
    7,029.20/10,532.40 = 3,322.64/x
  3. Step 3: Cross multiply
    7,029.20x = 10,532.40 × 3,322.64
  4. Step 4: Simplify right side
    7,029.20x = 34,995,373.54
  5. Step 5: Solve for x
    x = 34,995,373.54/7,029.20
  6. Step 6: Final answer
    x = 4,978.57

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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.