Home / 7,392.84-10,199.67-4,876.20

Finding the Fourth Proportional to 7,392.84, 10,199.67 and 4,876.20

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Solution

The fourth proportional to 7,392.84, 10,199.67 and 4,876.20 is: 6,727.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,392.84 : 10,199.67 = 4,876.20 : x
  2. Step 2: Convert to fraction form
    7,392.84/10,199.67 = 4,876.20/x
  3. Step 3: Cross multiply
    7,392.84x = 10,199.67 × 4,876.20
  4. Step 4: Simplify right side
    7,392.84x = 49,735,640.00
  5. Step 5: Solve for x
    x = 49,735,640.00/7,392.84
  6. Step 6: Final answer
    x = 6,727.55

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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.