Home / 7,643.30-11,475.89-5,675.00

Finding the Fourth Proportional to 7,643.30, 11,475.89 and 5,675.00

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Solution

The fourth proportional to 7,643.30, 11,475.89 and 5,675.00 is: 8,520.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,643.30 : 11,475.89 = 5,675.00 : x
  2. Step 2: Convert to fraction form
    7,643.30/11,475.89 = 5,675.00/x
  3. Step 3: Cross multiply
    7,643.30x = 11,475.89 × 5,675.00
  4. Step 4: Simplify right side
    7,643.30x = 65,125,590.00
  5. Step 5: Solve for x
    x = 65,125,590.00/7,643.30
  6. Step 6: Final answer
    x = 8,520.62

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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.