Home / 7,239.12-10,848.96-6,383.76

Finding the Fourth Proportional to 7,239.12, 10,848.96 and 6,383.76

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Solution

The fourth proportional to 7,239.12, 10,848.96 and 6,383.76 is: 9,567.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,239.12 : 10,848.96 = 6,383.76 : x
  2. Step 2: Convert to fraction form
    7,239.12/10,848.96 = 6,383.76/x
  3. Step 3: Cross multiply
    7,239.12x = 10,848.96 × 6,383.76
  4. Step 4: Simplify right side
    7,239.12x = 69,257,156.89
  5. Step 5: Solve for x
    x = 69,257,156.89/7,239.12
  6. Step 6: Final answer
    x = 9,567.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.