Home / 6,444.24-8,885.34-5,383.55

Finding the Fourth Proportional to 6,444.24, 8,885.34 and 5,383.55

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Solution

The fourth proportional to 6,444.24, 8,885.34 and 5,383.55 is: 7,422.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,444.24 : 8,885.34 = 5,383.55 : x
  2. Step 2: Convert to fraction form
    6,444.24/8,885.34 = 5,383.55/x
  3. Step 3: Cross multiply
    6,444.24x = 8,885.34 × 5,383.55
  4. Step 4: Simplify right side
    6,444.24x = 47,834,627.73
  5. Step 5: Solve for x
    x = 47,834,627.73/6,444.24
  6. Step 6: Final answer
    x = 7,422.85

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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.