Home / 7,117.67-10,671.95-2,960.55

Finding the Fourth Proportional to 7,117.67, 10,671.95 and 2,960.55

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Solution

The fourth proportional to 7,117.67, 10,671.95 and 2,960.55 is: 4,438.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117.67 : 10,671.95 = 2,960.55 : x
  2. Step 2: Convert to fraction form
    7,117.67/10,671.95 = 2,960.55/x
  3. Step 3: Cross multiply
    7,117.67x = 10,671.95 × 2,960.55
  4. Step 4: Simplify right side
    7,117.67x = 31,594,848.97
  5. Step 5: Solve for x
    x = 31,594,848.97/7,117.67
  6. Step 6: Final answer
    x = 4,438.93

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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.