Home / 7,348.45-11,008.78-5,696.91

Finding the Fourth Proportional to 7,348.45, 11,008.78 and 5,696.91

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Solution

The fourth proportional to 7,348.45, 11,008.78 and 5,696.91 is: 8,534.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,348.45 : 11,008.78 = 5,696.91 : x
  2. Step 2: Convert to fraction form
    7,348.45/11,008.78 = 5,696.91/x
  3. Step 3: Cross multiply
    7,348.45x = 11,008.78 × 5,696.91
  4. Step 4: Simplify right side
    7,348.45x = 62,716,028.87
  5. Step 5: Solve for x
    x = 62,716,028.87/7,348.45
  6. Step 6: Final answer
    x = 8,534.59

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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.