Home / 4,389.28-6,577.36-4,065.28

Finding the Fourth Proportional to 4,389.28, 6,577.36 and 4,065.28

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Solution

The fourth proportional to 4,389.28, 6,577.36 and 4,065.28 is: 6,091.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,389.28 : 6,577.36 = 4,065.28 : x
  2. Step 2: Convert to fraction form
    4,389.28/6,577.36 = 4,065.28/x
  3. Step 3: Cross multiply
    4,389.28x = 6,577.36 × 4,065.28
  4. Step 4: Simplify right side
    4,389.28x = 26,738,810.06
  5. Step 5: Solve for x
    x = 26,738,810.06/4,389.28
  6. Step 6: Final answer
    x = 6,091.84

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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.