Home / 7,388.58-11,085.51-3,170.06

Finding the Fourth Proportional to 7,388.58, 11,085.51 and 3,170.06

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Solution

The fourth proportional to 7,388.58, 11,085.51 and 3,170.06 is: 4,756.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388.58 : 11,085.51 = 3,170.06 : x
  2. Step 2: Convert to fraction form
    7,388.58/11,085.51 = 3,170.06/x
  3. Step 3: Cross multiply
    7,388.58x = 11,085.51 × 3,170.06
  4. Step 4: Simplify right side
    7,388.58x = 35,141,731.83
  5. Step 5: Solve for x
    x = 35,141,731.83/7,388.58
  6. Step 6: Final answer
    x = 4,756.22

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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.