Home / 5,320.32-7,342.44-3,082.80

Finding the Fourth Proportional to 5,320.32, 7,342.44 and 3,082.80

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Solution

The fourth proportional to 5,320.32, 7,342.44 and 3,082.80 is: 4,254.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.32 : 7,342.44 = 3,082.80 : x
  2. Step 2: Convert to fraction form
    5,320.32/7,342.44 = 3,082.80/x
  3. Step 3: Cross multiply
    5,320.32x = 7,342.44 × 3,082.80
  4. Step 4: Simplify right side
    5,320.32x = 22,635,274.03
  5. Step 5: Solve for x
    x = 22,635,274.03/5,320.32
  6. Step 6: Final answer
    x = 4,254.49

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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.