Home / 5,408.28-7,465.29-3,170.88

Finding the Fourth Proportional to 5,408.28, 7,465.29 and 3,170.88

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Solution

The fourth proportional to 5,408.28, 7,465.29 and 3,170.88 is: 4,376.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,408.28 : 7,465.29 = 3,170.88 : x
  2. Step 2: Convert to fraction form
    5,408.28/7,465.29 = 3,170.88/x
  3. Step 3: Cross multiply
    5,408.28x = 7,465.29 × 3,170.88
  4. Step 4: Simplify right side
    5,408.28x = 23,671,538.76
  5. Step 5: Solve for x
    x = 23,671,538.76/5,408.28
  6. Step 6: Final answer
    x = 4,376.91

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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.