Home / 7,339.54-11,011.11-3,439.40

Finding the Fourth Proportional to 7,339.54, 11,011.11 and 3,439.40

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Solution

The fourth proportional to 7,339.54, 11,011.11 and 3,439.40 is: 5,159.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339.54 : 11,011.11 = 3,439.40 : x
  2. Step 2: Convert to fraction form
    7,339.54/11,011.11 = 3,439.40/x
  3. Step 3: Cross multiply
    7,339.54x = 11,011.11 × 3,439.40
  4. Step 4: Simplify right side
    7,339.54x = 37,871,611.73
  5. Step 5: Solve for x
    x = 37,871,611.73/7,339.54
  6. Step 6: Final answer
    x = 5,159.94

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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.