Home / 5,748.64-7,933.04-3,390.96

Finding the Fourth Proportional to 5,748.64, 7,933.04 and 3,390.96

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Solution

The fourth proportional to 5,748.64, 7,933.04 and 3,390.96 is: 4,679.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,748.64 : 7,933.04 = 3,390.96 : x
  2. Step 2: Convert to fraction form
    5,748.64/7,933.04 = 3,390.96/x
  3. Step 3: Cross multiply
    5,748.64x = 7,933.04 × 3,390.96
  4. Step 4: Simplify right side
    5,748.64x = 26,900,621.32
  5. Step 5: Solve for x
    x = 26,900,621.32/5,748.64
  6. Step 6: Final answer
    x = 4,679.48

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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.