Home / 7,764.80-11,654.08-5,125.01

Finding the Fourth Proportional to 7,764.80, 11,654.08 and 5,125.01

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Solution

The fourth proportional to 7,764.80, 11,654.08 and 5,125.01 is: 7,692.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,764.80 : 11,654.08 = 5,125.01 : x
  2. Step 2: Convert to fraction form
    7,764.80/11,654.08 = 5,125.01/x
  3. Step 3: Cross multiply
    7,764.80x = 11,654.08 × 5,125.01
  4. Step 4: Simplify right side
    7,764.80x = 59,727,205.46
  5. Step 5: Solve for x
    x = 59,727,205.46/7,764.80
  6. Step 6: Final answer
    x = 7,692.05

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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.