Home / 7,472.76-11,208.36-3,312.84

Finding the Fourth Proportional to 7,472.76, 11,208.36 and 3,312.84

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Solution

The fourth proportional to 7,472.76, 11,208.36 and 3,312.84 is: 4,968.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,472.76 : 11,208.36 = 3,312.84 : x
  2. Step 2: Convert to fraction form
    7,472.76/11,208.36 = 3,312.84/x
  3. Step 3: Cross multiply
    7,472.76x = 11,208.36 × 3,312.84
  4. Step 4: Simplify right side
    7,472.76x = 37,131,503.34
  5. Step 5: Solve for x
    x = 37,131,503.34/7,472.76
  6. Step 6: Final answer
    x = 4,968.91

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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.