Home / 7,529.36-11,278.64-3,521.00

Finding the Fourth Proportional to 7,529.36, 11,278.64 and 3,521.00

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Solution

The fourth proportional to 7,529.36, 11,278.64 and 3,521.00 is: 5,274.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,529.36 : 11,278.64 = 3,521.00 : x
  2. Step 2: Convert to fraction form
    7,529.36/11,278.64 = 3,521.00/x
  3. Step 3: Cross multiply
    7,529.36x = 11,278.64 × 3,521.00
  4. Step 4: Simplify right side
    7,529.36x = 39,712,128.44
  5. Step 5: Solve for x
    x = 39,712,128.44/7,529.36
  6. Step 6: Final answer
    x = 5,274.31

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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.