Home / 7,212.91-10,820.70-2,283.79

Finding the Fourth Proportional to 7,212.91, 10,820.70 and 2,283.79

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Solution

The fourth proportional to 7,212.91, 10,820.70 and 2,283.79 is: 3,426.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,212.91 : 10,820.70 = 2,283.79 : x
  2. Step 2: Convert to fraction form
    7,212.91/10,820.70 = 2,283.79/x
  3. Step 3: Cross multiply
    7,212.91x = 10,820.70 × 2,283.79
  4. Step 4: Simplify right side
    7,212.91x = 24,712,206.45
  5. Step 5: Solve for x
    x = 24,712,206.45/7,212.91
  6. Step 6: Final answer
    x = 3,426.11

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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.