Home / 7,207.84-10,811.76-3,315.52

Finding the Fourth Proportional to 7,207.84, 10,811.76 and 3,315.52

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Solution

The fourth proportional to 7,207.84, 10,811.76 and 3,315.52 is: 4,973.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,207.84 : 10,811.76 = 3,315.52 : x
  2. Step 2: Convert to fraction form
    7,207.84/10,811.76 = 3,315.52/x
  3. Step 3: Cross multiply
    7,207.84x = 10,811.76 × 3,315.52
  4. Step 4: Simplify right side
    7,207.84x = 35,846,606.52
  5. Step 5: Solve for x
    x = 35,846,606.52/7,207.84
  6. Step 6: Final answer
    x = 4,973.28

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Similar ratio
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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.