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Finding the Fourth Proportional to 5,238.95, 7,229.63 and 2,848.89

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Solution

The fourth proportional to 5,238.95, 7,229.63 and 2,848.89 is: 3,931.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,238.95 : 7,229.63 = 2,848.89 : x
  2. Step 2: Convert to fraction form
    5,238.95/7,229.63 = 2,848.89/x
  3. Step 3: Cross multiply
    5,238.95x = 7,229.63 × 2,848.89
  4. Step 4: Simplify right side
    5,238.95x = 20,596,427.73
  5. Step 5: Solve for x
    x = 20,596,427.73/5,238.95
  6. Step 6: Final answer
    x = 3,931.40

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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.