Home / 4,744.79-7,117.61-2,894.97

Finding the Fourth Proportional to 4,744.79, 7,117.61 and 2,894.97

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Solution

The fourth proportional to 4,744.79, 7,117.61 and 2,894.97 is: 4,342.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,744.79 : 7,117.61 = 2,894.97 : x
  2. Step 2: Convert to fraction form
    4,744.79/7,117.61 = 2,894.97/x
  3. Step 3: Cross multiply
    4,744.79x = 7,117.61 × 2,894.97
  4. Step 4: Simplify right side
    4,744.79x = 20,605,252.95
  5. Step 5: Solve for x
    x = 20,605,252.95/4,744.79
  6. Step 6: Final answer
    x = 4,342.72

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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.