Home / 9,105.18-13,655.01-3,557.28

Finding the Fourth Proportional to 9,105.18, 13,655.01 and 3,557.28

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Solution

The fourth proportional to 9,105.18, 13,655.01 and 3,557.28 is: 5,334.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,105.18 : 13,655.01 = 3,557.28 : x
  2. Step 2: Convert to fraction form
    9,105.18/13,655.01 = 3,557.28/x
  3. Step 3: Cross multiply
    9,105.18x = 13,655.01 × 3,557.28
  4. Step 4: Simplify right side
    9,105.18x = 48,574,693.97
  5. Step 5: Solve for x
    x = 48,574,693.97/9,105.18
  6. Step 6: Final answer
    x = 5,334.84

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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.