Home / 7,710.18-11,554.20-4,786.80

Finding the Fourth Proportional to 7,710.18, 11,554.20 and 4,786.80

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Solution

The fourth proportional to 7,710.18, 11,554.20 and 4,786.80 is: 7,173.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,710.18 : 11,554.20 = 4,786.80 : x
  2. Step 2: Convert to fraction form
    7,710.18/11,554.20 = 4,786.80/x
  3. Step 3: Cross multiply
    7,710.18x = 11,554.20 × 4,786.80
  4. Step 4: Simplify right side
    7,710.18x = 55,307,644.56
  5. Step 5: Solve for x
    x = 55,307,644.56/7,710.18
  6. Step 6: Final answer
    x = 7,173.33

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1.5x scale

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.