Home / 7,218.08-10,830.24-3,523.52

Finding the Fourth Proportional to 7,218.08, 10,830.24 and 3,523.52

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Solution

The fourth proportional to 7,218.08, 10,830.24 and 3,523.52 is: 5,286.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218.08 : 10,830.24 = 3,523.52 : x
  2. Step 2: Convert to fraction form
    7,218.08/10,830.24 = 3,523.52/x
  3. Step 3: Cross multiply
    7,218.08x = 10,830.24 × 3,523.52
  4. Step 4: Simplify right side
    7,218.08x = 38,160,567.24
  5. Step 5: Solve for x
    x = 38,160,567.24/7,218.08
  6. Step 6: Final answer
    x = 5,286.80

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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.