Home / 4,747.93-7,117.79-1,824.19

Finding the Fourth Proportional to 4,747.93, 7,117.79 and 1,824.19

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Solution

The fourth proportional to 4,747.93, 7,117.79 and 1,824.19 is: 2,734.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,747.93 : 7,117.79 = 1,824.19 : x
  2. Step 2: Convert to fraction form
    4,747.93/7,117.79 = 1,824.19/x
  3. Step 3: Cross multiply
    4,747.93x = 7,117.79 × 1,824.19
  4. Step 4: Simplify right side
    4,747.93x = 12,984,184.69
  5. Step 5: Solve for x
    x = 12,984,184.69/4,747.93
  6. Step 6: Final answer
    x = 2,734.70

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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.