Home / 9,239.92-12,750.48-5,261.44

Finding the Fourth Proportional to 9,239.92, 12,750.48 and 5,261.44

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Solution

The fourth proportional to 9,239.92, 12,750.48 and 5,261.44 is: 7,260.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,239.92 : 12,750.48 = 5,261.44 : x
  2. Step 2: Convert to fraction form
    9,239.92/12,750.48 = 5,261.44/x
  3. Step 3: Cross multiply
    9,239.92x = 12,750.48 × 5,261.44
  4. Step 4: Simplify right side
    9,239.92x = 67,085,885.49
  5. Step 5: Solve for x
    x = 67,085,885.49/9,239.92
  6. Step 6: Final answer
    x = 7,260.44

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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.