Home / 9,328.84-13,995.32-3,090.80

Finding the Fourth Proportional to 9,328.84, 13,995.32 and 3,090.80

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Solution

The fourth proportional to 9,328.84, 13,995.32 and 3,090.80 is: 4,636.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,328.84 : 13,995.32 = 3,090.80 : x
  2. Step 2: Convert to fraction form
    9,328.84/13,995.32 = 3,090.80/x
  3. Step 3: Cross multiply
    9,328.84x = 13,995.32 × 3,090.80
  4. Step 4: Simplify right side
    9,328.84x = 43,256,735.06
  5. Step 5: Solve for x
    x = 43,256,735.06/9,328.84
  6. Step 6: Final answer
    x = 4,636.88

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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.