Home / 5,748.44-7,932.60-3,390.08

Finding the Fourth Proportional to 5,748.44, 7,932.60 and 3,390.08

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Solution

The fourth proportional to 5,748.44, 7,932.60 and 3,390.08 is: 4,678.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,748.44 : 7,932.60 = 3,390.08 : x
  2. Step 2: Convert to fraction form
    5,748.44/7,932.60 = 3,390.08/x
  3. Step 3: Cross multiply
    5,748.44x = 7,932.60 × 3,390.08
  4. Step 4: Simplify right side
    5,748.44x = 26,892,148.61
  5. Step 5: Solve for x
    x = 26,892,148.61/5,748.44
  6. Step 6: Final answer
    x = 4,678.16

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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.